Gulls are the most numerous genus of birds of the gull family. And they live in the sea And in inland waters. As a rule, seagulls – birds of medium or large size. The plumage is usually white or gray, often on the wings or the head, black markings. The distinctive feature of these birds can be called well-developed legs swimming membranes and beak which is slightly bent at the end.
Chicks of gulls appear well furred and with open eyes. These stained clumps are quite similar to their parents. Some time they are in the nest under their supervision. A few hours after birth the Chicks of gulls are beginning to demand food. For their parents, they remain unrecognizable in just a few days after birth, then each of the parents recognise their Chicks. By the way, you know how a baby gull called? In the dictionary Dahl a young gull (chick) called chabara. But cabor Danilov – it is hatched in the egg but not hatched chick.
The Seagull is able to not only feed their Chicks - they can take on others, but only up to the age of 14 days. In breeding colonies the adoption is most likely to occur under certain conditions. For example, a panic at the appearance of a predator or caused by the vicinity of man. It may also happen due to adverse climatic conditions.
The mass adoption is Franklin's gulls, which nest on the moor. They build their nests of reeds, and during the rise of water many nests are floating, so they can not gain a foothold. Young Chicks of gulls Franklin at this time often leave the nest to swim. And each of them can climb in any nest where is adopted older birds in her brood.
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But the gray gull, which breeds in Chile in conditions of hot deserts, the situation is somewhat different. Adult birds are on the nests and their bodies cast a shadow. Any chick gull to come to the nest where it will feed and shelter from the sun. But if he will be away from the nest, you will be attacked by adult gulls and even their parents.
I must say that gulls tend angry behavior. And their anger is always directed toward the Chicks. This is especially true for males. They often attack Chicks that are close up to them or run past. During such attacks the gull Chicks often die and it is somehow justified if they are then used as fodder. But no, this is not happening. So the males attacked wandering Chicks just because they are descendants of other gulls. For example, broody intraspecific predation has “Domino effect”. If from the nest someone steals a baby bird or egg, you angry male is going to steal the egg (or the chick) the other pair and so on.
Colonial gulls developed communal care of offspring. This phenomenon may occur spontaneously because of the attacks of predators. Chicks gather in large groups – day nurseries that are protected by adult birds. The establishment of such nurseries is helping the gulls to protect their young from the attacks of crows, rats and other predators. They can also be grouped, if the colony is disturbed. Some adult birds remains to guard the young, and the rest collectively drive away the intruder or attack the predator from above.
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TR: https://tostpost.com/tr/haber-ve-toplum/20210-yavru-mart-lar-kesinlikle-hi-bir-anne-benzer.html
Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."
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