There are over 180 species of birds passing on their migrations in flocks, or live year round in Valdes Peninsula. In this article you will know some of them:

Flamingo

Flamencos en la Isla de los pájaros - Peninsula ValdesThe Southern Flamingo is a large bird, most often seen in flocks. They can measure five feet, are easily identified by their pink colour on the outer feathers, their long neck, long legs and large wings. The legs have short toes, which are also webbed, helping the bird when swimming. Male flamingos are larger than females and this feature is the only visible difference between the sexes. The colour of their feathers are acquired by the food they eat, that’s why their offspring are born whitish and take on the intense pink colour from the small crustaceans, which form the major part of their diet.Flamingos are not resident in Peninsula Valdes area, however they nest in lakes in the Province of La Pampa. They are very wary birds and are easily disturbed by human presence. They can be very difficult to approach and photograph. The best way we have found to photograph them is to wait, camouflaged, at low tide. As the tide comes in, the birds will come to feed closer inshore. You must take great care not to alarm them or your opportunity will be lost. Photographing Flamingos requires a great deal of patience, as many of the professional photographers who live and work in the area will attest. Flamingos are not at all used to humans, living completely wild, and are, therefore, very elusive. Remember that Valdés Peninsula is an important area for wildlife to raise their young, and, as such is deserving of respect and minimal human impact. There are already 300,000 tourists visiting the area each year and the Peninsula is to some degree, affected by human greed. Please help to raise awareness of the need for respect for our wildlife by your own example.Flamencos en la Isla de los pájaros - Peninsula Valdes

Reproduction

Flamingos are monogamous. and before pair-bonding, males and females gather in groups of up to 150 individuals, and perform the so-called “wedding march”, with their necks stretched upwards, moving head vigorously from side to side and up in one direction. The march is accompanied by a strong hoarse croak from the whole group. The birds then form pairs. Weeks later, nesting begins. Flamingo breeding colonies are characterized by a gathering of thousands of individuals. The nest is usually made of clay, in the shape of a truncated cone,with a depression in the centre. A single egg only is laid. After 30 days of incubation shared between both parents, the young are born with white plumage and straight beak, which takes the hooked form as they grow. At the age of a week or so, the young birds gather in creches, which can number up to a thousand individuals, guarded by several adult birds. After a few weeks, the appearance of the chicks changes. Plumage colour turns grey, with black legs, and the beak curves to resemble the parents’. The creches stay together until the age of three months, after which, the young are able to fend for themselves.

 Choique

Choique en Punta Norte - Peninsula Valdes - Patagonia ArgentinaThe Choique is a Patagonian symbol. Source of inspiration for stories and legends, the rhea is so present in folklore as in all the paths in Patagonia. It is a large , herbivorous, flightless bird. They use their soft wings as stabilizers, and are fast runners. It is one of the two “American ostriches”, but unlike its African relative has three toes instead of two. Females lay 8-10 eggs which are incubated by the male. He also assumes parental responsibility for the “charitos”, who follow him for most of the summer. In winter they form mixed groups of males, females and juveniles. The harem is composed of one male and one to fifteen females. This varies by region and is very much dependent on the availability of food. The male measures 1.50 meters and weigh up to 30 kilos; the female is smaller in height. It feeds on grasses, lowering it’s head and long neck. The Choique also eat grains, bread, flies and insects which are trapped in the air. Choique have also been known to eat metal items, coins and small stones.

Their relationship with the man:

The rhea has been one of the species of wildlife most utilised by Man in Argentina. For Patagonian natives, it was a favourite food, along with the guanaco, and they full took advantage of all of it: the meat, cartilage and fat were consumed for food; feathers as ornamental, fans and whisks; the leg tendons were used in making ropes for bolas, bones for musical instruments; leather for tobacco pouches and saddlebags; and the eggshell and feathers were used as medicines. It is also found of countless legends, as in the following story, which tells how a rhea was the origin of the Southern Cross constellation. choique en peninsula valdes

Leyend of the Mocovies tribe and the southern cross

“The old chief recalled that his father had told him that Manic, the rhea, was the animal with the most beautiful feathers. The chief sent for the best hunter in the tribe: Nemec, an agile and faithful youth. The boy looked his best weapons. He has never seen a rhea – this mysterious bird was unknown in the hinterland. Nemec asked the elders of the tribe to give him advice. He was told that Manic was very fast and it was impossible to find him without his noticing. He had to find a footprint similar to a bird, but much larger, and that the key was to follow the South path. Grateful Nemec left with the honour and responsibility of such a goal. He walked for days until one afternoon, when he found tracks: they were heading south, and he followed them. Walking under the first light of the next day, he noticed something strange. He looked up and there it was. It was the rhea, with its long, slender legs, with its beautiful plumage shaken by the wind, trembling his little head supported by a long neck, and looking at who knows what… But what struck him most were his feathers and he knew why the chief wanted to have them. Nemec remembered his duty. He crept. He almost threw the spear when the rhea escaped at full speed, leaving just an astonished hunter. The next day, Nemec followed the tracks and again found his target. But the rhea escaped again. The same thing happened again and again. Nemec began to doubt if he really would get to hunt it. Then he found it at sunset. There it was, and the opportunity could not be wasted. Man and animal froze. Suddenly, Nemec ran with all his might. The rhea ran also. Nemec flexed his arm and released the weapon. And, according to Mocovi legend, Manic spread his wings and soared. And continued rising until he reach the sky, and in the dim light of dusk, was lost to view. Suddenly, in the same place where the rhea had disappeared, four stars emerged in a cross: one took Choique’s chick or “charito”. the place of the head; two marked the tips of its wings and the last, the end of its legs.Nemec spent the night watching the sky and recalling images of the rhea he could never catch. The next day, he started back to his home. He arrived back at the tribe with empty hands but with a twinkle in his eye. That night, when everyone sat around the campfire, Nemec told of his strange adventure. Then, they saw the new stars that the sky was wearing, indicating forever the direction in which Manic had escaped: south.”

Variable Hawk

VARIAbLE hAwK - Peninsula Valde - Patagonia ArgnetinaAlso known as “Ñanco”, it can be seen throughout the Valdes Peninsula. The males measure up to 48 cm and the female is slightly larger, reaching 52 cm. The plumage is grey on the back, with a white underside in adults. Its’ most distinctive feature is a black stripe down the tail. Juveniles keep their brownish striped and spotted plumage and yellow legs for two years. It feeds on small mammals, nothing bigger than the hare and also varying species of birds. Some reptiles, amphibians and invertebrates are also included in the diet. The method of hunting is to fly in a circular motion over an area and plunge at an angle, striking the prey on the back with it’s powerful talons.

GREAT EGRET -bird Peninsula Valdes

Nests are built by both members of the pair. The Variable Hawk likes thorny trees, in this region, preferring to nest in Molles The bird will also nest lamp posts. The nest is large, about three feet in diameter and is made of sticks. The male feeds the female during incubation. After the chicks hatch (in December), she will be responsible for them. Folk tales say that if, when travelling, a hawk crosses your path in front of you, your trip will go well. If, however, it crosses your path behind you, you should take great care until you reach your destination.

Great Egret

GREAT EGRET - Peninsula Valdes -This elegant bird, was on the verge of extinction by early 1900. The cause of this destruction was the prevailing fashion amongst women for “aigrettes”, which were made from the breeding plumage of the male bird. The spectacular nature of these feathers gave them great value and hunters pursued the bird tenaciously without any control and without respecting the breeding season. Finally, at the last moment, laws began to be applied to protect our wildlife. In this way the beautiful white egret survived and in recent years they have more numerous but are still rare. GREAT EGRET - Peninsula Valdes

Reproduction

The Great Egret nests in colonies of several pairs, which may number 20 individuals. When nesting, the egret chooses wooded areas and builds a large, platform like nest of branches, reeds, leaves etc. at the top of a tree. It lays 6 to 8 uniformly light blue eggs. After hatching, the chicks are fed by both parents on a diet of toads, frogs, lizards and small fish, depending upon the type of food available and the area where they are nesting. AT about 4 weeks, the chicks are able to forage for food for themselves. When the chicks fledge, the parents abandon them. The Great Egret is a solitary hunter, but roosts and nests in flocks. It is easily recognised when in flight, particularly when migrating. It flies in flocks, keeping perfect formation, with legs trailing and neck bent into an “S” shape.

Turkey Vulture

Jote en Península Valdés - Patagonia ArgentinaThe turkey vulture is a bird of the vulture family , which can be found all across the Americas. In the different countries of the continent, it has different names, such as buzzard, aura, or just vulture. In Península Valdés, it is one of the largest of the vultures, with a red head, blackish plumage, more brown on the upper surface of the wings. The underside of the flight feathers are grey, creating a sharp contrast. The head is small in proportion to the body and has no feathers – in adults it is reddish and in juveniles, it is black. turkey volture in Peninsula ValdesIt weighs between 1.4 and 2.7 kg, measures 60-76 cm in length and has a wingspan of up to 2 meters. It glides with wings in a “V” shape and often sways in a way that gives the impression that it is drunk. It’s typically seen in Puerto Piramides, flying around the valley, and taking advantage of thermal wind generated by the hills that protect the town from east to west, on the north side. The turkey vulture is a scavenger, ranging over large distances and finding carrion with a keen sense of smell. Typically, it will feed on the carcasses of sea lions, guanaco, hares and rabbits. If it finds a large piece of carrion, such as a calf, it will circle over it, to let other vultures know where the carcass is.

Burrowing Parrot

Loro Barranquero en Península ValdésThey are usually seen on Peninsula Valdes during spring and summer months. It mates for life and nests in cliffs. They dig a deep burrow in which 2 to 5 eggs are laid. The eggs hatch in late December. The Burrowing Parrot is very colourful and has seven colours in its plumage. On Peninsula Valdes, they are usually seen in flocks of 10- 20 individuals and are very noisy, constantly chattering. Their diet is based on shoots and fruits of shrubs, and they also travel great distances to feed in other regions, attracted by planted fields. This frequently leads to conflict with farmers, because they eat the seed and damage crops. We would to recommend a unique place for travellers, birdwatchers and those who are attracted by birds and nature. 550 km north of  Peninsula Valdes, there is a town called El Condor, the Viedma’s beach, capital of Rio Negro province.There is one of the largest parrot colonies in the world, comprising over 100,000 Burrowing Parrots in 9 km of cliff, something which cannot be seen anywhere else on the Planet. We were surprised when we saw this incredible cliff, another natural wonder of Patagonia Argentina, which we had never heard of before. If you decide to go spend a few nights at this resort we recommend the Apart Hotel Costa del Faro, located on the coast, just meters from the cliff.Burrowing Parrots - Patagonia Argentina

Southern Giant Petrel

Petrel Gigante en Puerto Piramides - Península Valdes This special bird has an incredibly aerodynamic shape. The distance between the tips of the extended wings reaches 2m. An adult male can weigh up to 5 kg. The family feature is the nostril, located in the upper beak in the form of a single nasal tube, but internally divided in two by a central partition. Monitoring these birds has shown that they have incredible flying skills and stamina. One ringed specimen from New Zealand was seen a week later on the Patagonian coast, implying that it flew more than 5000 kms. over open ocean, in less than 7 days! Petrel Gigante en Puerto Piramides

Feeding

They have an excellent sense of smell which helps them find food on the coast. It does not only feed on carrion, such as dead penguins, sea lions and elephant seals, it will also eat penguin or other birds chicks, eggs and sometimes hunts penguins and other seabirds as prey. In the sea they feed on refuse dumped by hundreds of fishing boats which jettison fish unwanted for human consumption, that is to say that tons of dead fish daily discarded at sea. Human predation is causing birds like Giant Petrel have more food as a result of which, their lifespan and reproducion rate are increasing. Consequently birds currently appear in disproportionate numbers, compared to previous years. Petrel Gigante en Punta Norte - Peninsula Valdes

Reproduction

In the colonies of northern Patagonia, the laying date (for a single egg) begins during the last week of October and is relatively synchronous. The first chicks hatch during the last week of December. Adults remain in the nest with the chick for nearly two weeks, after which time, the chicks are left alone in the colony while parents feed at sea, returning to regurgitate food for them. In Patagonia, the chicks become independent around the second week of March and early April. En consecuencia son aves que en la actualidad se ve en número desproporcionado a años anteriores. El monitoreo de ejemplares demostró que vuelan distancias increibles.Un ejemplar anillado en Nueva Zelanda se vió una semana después en las costas patagónicas, lo que implica que volaron mas de 5000 km en menos de 7 días, sobre el agua!!!

Burrowing Owl

The Latin name of this species “cunicularia” means “digging mines or tunnels”, reflecting how this owl builds its nest: in underground tunnels. The owl typically nests in open areas, under the protection of a tree or shrub. It chooses sloping ground, which prevents rainwater from entering the tunnel and flooding it. It is not averse to making use of the abandoned nesting tunnels of other birds and animals. Lechucita de las vizcacheras - Peninsula ValdesThe Burrowing Owl commonly excavates a burrow at the side of fields or by roadsides. Should the entrance become blocked for whatever reason, it will excavate another burrow at the edge of the field. The nesting season runs from October to December. The chicks hatch in 28 days. During hot spells, they can be seen rubbing their beaks or cuddling each other. The owl is not afraid man, on the contrary, it easily adapts to his presence. It lives in open grasslands and can be found in the Caleta Valdes and Punta Delgada. Feeding Burrowing Owls have been subject to persecution by Man, due to irrational superstitions. As a result of this, in addition to placing the Burrowing Owl in danger of extinction, this persecution has altered the environmental balance. This is because, as well as birds, scorpions, insects and other small mammals, which, if allowed to multiply unchecked, would have an adverse effect upon agriculture, they eat rodents which are known carriers of Haemorrhagic Fever, or O’Higgins Disease, which is endemic in Argentina.Many times the man usually irrationality attacks the owls especially because superstitions. The Burrowing Owl has a refined sense of hearing. They can hear sounds of low intensity that allow them to detect the presence of small prey. The thick layer of feathers covering its flat face, operates as a kind of receiver screen that helps to focus sounds on the ears. Their natural predators are ferrets, weasels, cats and foxes, besides man. Whilst out and about, you are sure to see Burrowing Owls and, through binoculars, you will be able to see the deep and direct gaze of their large eyes. The owl’s eyes, like ours are front facing, resulting in binocular vision which allows refined perception of distance. The eyes have many photosensitive cells and large pupils, which permit the bird to distinguish objects clearly in low light.

South American Tern

Gaviotín Sudamericano en Peninsula Valdes - Patagonia ArgentinaThe South American Tern is one of the 3 species of terns that nest on the coast of Argentina and is found in Peninsula Valdes. It is rather more difficult to observe that the kelp gull, because it has a small population size. The breeding season begins in December and you will be able to see them flying over the ledges and cliffs. After nesting, from March onwards they are no longer predictable. Terns nest every year, but not in the same places, often choosing quiet coastal places in very exposed sites but are very sensitive to disturbance. Their diet is based on fish; their fishing technique is to plunge into the sea s to capture their prey.

Imperial Cormorant

Cormoran en Puerto PiramidesAlong the entire coast of continental Patagonia, the imperial cormorant is a species almost piscivorous but also feeds on marine invertebrates such as cephalopods, crustaceans and polychaetes. The Imperial Cormorant consumes a large proportion of pelagic and demersal fishes such as anchovy, hake and some species of mackerel and uses a broad range of depths throughout the water column. Recent studies showed that the Imperial Cormorant feeds both in shallow coastal waters as well as deep waters (about 70m) and offshore (more than 8 km). The imperial cormorant is the leading producer of guano in Patagonia. Currently, the guano is mined in only a few colonies of Chubut and Santa Cruz. The guano exploitation is still carried out in a similar way to that of a few decades ago, and its extraction is carried out manually and sporadically. Cormoranes en Puerto Piramides - Peninsula ValdesEstudios recientes, mostraron que el Cormorán Imperial se alimenta tanto en aguas costeras de poca profundidad como en aguas profundas (alrededor de 70m) y alejadas de la costa (más de 8 km). El Cormorán Imperial es el principal productor de guano en la Patagonia. En la actualidad, el guano se extrae en solo unas pocas colonias de Chubut y Santa Cruz. La explotación guanera continua realizándose de manera similar a décadas atrás, llevando a cabo la extracción en forma manual y discontinua.

Seagull

It is the most abundant species on our coastline, with a huge population and many subspecies. It is considered one of the most important components in the dynamics of many towns on the Patagonian coast. Gaviota Cocinera - Peninsula ValdesIt can measure up to 60 centimeters in length, the body is white and the wings black. Gulls are present all over Patagonia, extending to Tierra del Fuego and beyond, as far south as the Falkland Islands, South Atlantic Islands and Antarctica. They lay up to three eggs, nest and return to the same area every year. They feed naturally on intertidal resources, although their behaviour is very opportunistic and has been modified by the food supply generated by humans. Because of this, the growth of populations of gulls has grown-up considerably. They feed in open dumps, eat carrion, insects, grains, small fishes and …whales! The behaviour of gulls feeding off whales is, we believe, unique to our region.

Attacks to whales

Gaviota volando junto a la cola de una ballena en Península ValdésIn the last decade whales have been affected by attacks by gulls, who have developed a liking for the proteins in the skin and blubber of whales. Over the years, the technique that had developed by only a few gulls, has been passed on to other birds and new generations, making the attacks happen more frequently and altering the behaviour of these giant cetaceans. Moreover, fish discards and waste dumps, and mainly the landfill at Puerto Madryn, have led to a huge increase in the numbers of seagulls, which have food guaranteed all year, thus increasing their birth rate. As a result, the number of individuals is grows-ing exponentially in Peninsula Valdes.Ballena en Puerto Piramides en posición de galeónIn order to escape the unwelcome and possibly painful attention of the gulls, whales have taken to adopting the “galleon” position, in which only the animal’s head and tail are exposed above water, the rest of the body being submerged. The also try to outwit the gulls by remaining submerged totally for longer periods, swimming and breaching. These techniques involve the whales expending a great deal more energy and, as the Valdes Peninsula is primarily a mating and breeding area, where food is not common, could have an adverse effect on the population.

Case Study

Gaviotas cocineras en el Golfo Nuevo - Península Valdés In 2005, a study group led by Ms. Anne Fazio, Biological Sciences graduate, and Dr. Marcelo Bertellotti, planned a study with three years’ duration, in which the first thing they wanted to know was, if the whales skin and fat feeding behaviour was or was not widespread throughout the population of gulls. They wanted to ring them, so as to identify them when they were attacking. This task took place at Punta Piramides platform, where there is a nesting colony of gulls. They captured the gulls by means of a cannon- net. The gulls were then ringed with individually coded rings and samples of blood and feathers etc were taken, to ascertain the overall health of the gull population. Despite the great effort and hours of work of the whole group, it became increasingly difficult to capture gulls, because they learned very fast and avoid the traps. In the event, ringing was achieved only in 20% of the population. In addition there are seagulls from different areas feeding on whales. Ana says that “(…) for these two reasons, the brand was very dilute, we had only 2% of cases where we saw a branded seagull attacking. Also, with so many hours and days of observation in the water, you could see that even not all the seagulls attacked, it was not a small group, and the worst of all: they were more and more!.Gaviotas volando en las aguas de Península ValdésWe also have an overall record of the attack rate during the three seasons of whales watching, knowing the peaks of the curves (times of increased number of attacks per unit time). This information is very useful, since at the time of taking up the study comparisons can be made with other years to see if the attack rate has increased or decreased. In addition, samples were analyzed to search for pathogens with which the gulls can infect whales; we’ve found some and it is something that really concerns us. It is likely that, by moving from whale to whale, the gulls will not only infect the whales with pathogens which they carry, but could also transmit as carriers, pathogens and infections which are carried by the whales. As Peninsula Valdes is an area with a high transient population of whales, including calves, this is a matter of real concern and could have a greater effect on the whales than a mere change in behaviour. “ One of the most important conclusions, agreed by a majority, was to close the open dump in Puerto Madryn. We know that populations of gulls increased for many years, until ‘97 and then remained constant. The main causes were fishing discards and waste dumps. That’s why the plan launched by the Province to eradicate open dumps around Chubut is an incrediblebreakthrough on minimizing environmental impact, and may the get the rate of reproduction of the gulls back into balance.

Summary
Article Name
Birds of Valdes Peninsula - Patagonia Wildlife
Description
There are over 180 species of birds passing on their migrations in flocks or live year round in Valdes Peninsula. In this article you will know some of them
Author