Lack of food makes young birds killed

One study recorded brutal attacks on seabirds. Adult birds violently attack young birds in nearby nests, sometimes young birds are sometimes slaughtered to death and thrown into cliffs.

Kate Ashbook, a researcher at the University of Leeds, UK, said: 'The attack of adult birds is violent, and there are often more than one adult involved because young birds have to fly away from their neighbors to attack. Firstly'.

The phenomenon of killing new birds discovered in birds is a predictable thing in the world of birds where birds are known for their wild personality. For the Nazca insane on the Galápagos island, this phenomenon is very common. A baby eagle was killed by his siblings in 2006. For a long time even humans were hunted by birds.

The parents of uria are always very interested in young birds.(Photo: Kate Ashbook)

The cause of recent attacks is the lack of food in places where live uria birds live. The uria uranium aalge are very careful parents, taking care of only one calf during the breeding season.

They spend most of their time in the sea except during the breeding season. Adults move to cliffs on the coast or on offshore islands. On land, white belly birds stand upright like penguins, reaching a height of about 16 inches (43 cm).

Because young birds are very vulnerable to seagull attacks, parents rarely neglect young animals, they take turns looking for food. However, the decline in food resources in recent years has forced both parents and birds to go together to get food.

If young birds are neglected by their parents, they are at risk of being brutally attacked by adults and neighbors.(Photo: Kate Askbook)

Ashbook and colleagues focused on understanding the large swarms of uria that settled in May, Scotland. According to them, nearly half of young birds are not cared for by their parents at the same time of day. The researchers also observed hundreds of adult uria birds attacking those abandoned young bird nests. Adult birds often operate continuously in the head and they are young.

According to the researchers, although the lack of food may trigger attacks, it is clear that adult uria does not attack young birds because of food but it is a manifestation of aggression.

Askbook said: 'More than two-thirds of the dead young birds in the area we studied are victims of adult-child attacks. But the group of uria here has been followed for nearly 30 years, during which time the juvenile attacks rarely occur. '

The uria is a medium, only living with a mate.(Photo: Kate Ashbook)

Sarah Wanless's team member of the Center for Ecology and Hydrology (Leeds) has been monitoring these herds since 1981. Wanless said: 'This study emphasizes the fragility of the social fabric of a swarm of seabirds. If you are a young uria bird that is not watched by your parents, it is a misfortune to have hungry, impatient neighbors. '

The findings are published online in Biology Letters. The finding indicates that social harmony in long-established settlements may collapse when living conditions become difficult. The study also emphasizes the parents' dilemma when hunger strikes. They must choose either the father and the mother bird to seek food so that they can earn enough to support the family. or just a father or a mother bird to get some food for the young bird.