The common loon's haunting wail that pierced the dusk on Massachusetts lakes disappeared long ago.
A new study shows that male sparrows can judge if a spouse is prone to infidelity, providing less food for their brood if their partner is unfaithful.
The first captive-bred Florida Grasshopper Sparrow hatched this week under the care of researchers with Florida International University's Tropical Conservation Institute.
Shane Lawler was taking care of business in a loblolly pine, 90 feet above Gospel Spreading Farm, unfazed by the agitated bald eagles spiraling around his head.
Scientists have long been aware that in some species of bird, parents will prioritise feeding the neediest chicks, whereas in others they will focus on the strongest offspring. Until now, though, the reason behind this discrepancy ...
The fixed division of labour between crested penguin parents increases their chicks' vulnerability to food shortages made ever more common by climate change. The parents have been unable to adapt their habits to the challenges ...
An NDSU faculty member is among a group of international researchers studying why older parents produce offspring who tend to have shorter lives.
A kiwi destroying a robin nest and causing the death of the chicks in it has been caught on camera by a Victoria University of Wellington researcher.
The researchers, led by Professor Melissa Bateson and Dr Clare Andrews, discovered that stress and difficulties as a chick made a long lasting impression on a starling's relationship with food.
The noise of cars honking and zooming through the streets may shorten the lifespan of sparrows growing up near the clamour, scientists said Wednesday.