A little strategically placed makeup quickly turns the wimpiest of male barn swallows into chick magnets, amping up their testosterone and even trimming their weight, new research shows.
... , the high hormone levels also cause the surviving chicks to behave like bullies after they grow up. They frequently ... of their social personality," Anderson said. Nazca booby chicks have aggression-related hormone levels three ...
NORFOLK, Va., March 25 (UPI) -- A third bald eagle chick broke out of its shell Wednesday at a Virginia botanical garden.
Chicks "count" objects as they are hidden from view, say researchers
A male penguin couple has hatched an egg at Bremerhaven zoo in Germany, the zoo says - and they are now rearing the chick together.
... turkey poults could save millions of male chicks from being killed shortly after birth, according to Dr. Gerald ... to select 'female' eggs for breeding and to avoid the killing of millions of male chicks shortly after hatching ...
African penguins have adopted a chick that had trouble hatching, then wasn't being cared for by its biological ...
... . Lee's hypothesis, the observed mortality patterns of chicks may be related to how parents behave towards the nestlings ... into the nests. If parents induce the mortality of specific chicks, it could be through biased feeding and the researcher can directly ...
Conservationists hoping to reintroduce the world's heaviest flying bird, the great bustard, to the UK are celebrating the birth of four chicks.
One of Britain's rarest birds successfully raises four chicks at a secret location in the centre of Birmingham, UK.
A successful program raising piping plover chicks from eggs may give an endangered species that makes its home on Maritime beaches new hope.
An adult puffin is nicknamed Asbo after being filmed bullying a puffin chick on Shetland.
The newly hatched african blackfooted penguin chick during its first veterinary exam.
... knowing that parent birds can distinguish their own chicks from others by unique pattern changes in the frequency of their call ... " call. These results imply that parents have to be familiar with their chicks' begging calls in order to estimate their hunger ...
When the mother hihi bird has a chance to mate multiple times in a season, begging chicks get slighted.
