The film explores the diverse ways in which various bird species raise their young, highlighting the differences between precocial and altricial birds. It illustrates how Canada geese hatch goslings ...

Young altricial birds need to be fed both in the nest and often also after fledging, and thus it takes several weeks, at times even months, until they are nutritionally independent from their parents.

Altricial birds hatch naked and helpless, but what these meatballs lack in fluff they make up for in sitting beneath their parents. Having no feathers makes it easier for them to steal body heat ...

Cowbird mothers abandon their eggs in the nests of other bird species, but the chicks somehow manage to find their flock and ...

Altricial birds hatch naked and helpless; their lack of feathers means that their parents can more efficiently transmit body heat directly to the babies' skin. Precocial species, ...

On the April 30 Friday bird walk at Adkins, we heard Cedar Waxwings singing and had a brief glimpse of them in flight. Everyone wanted to see the Waxwings and ...

Animalia 75 percent of North America’s bird species are in decline, study says. Birds are rapidly vanishing from North America, with dramatic population losses in places that were once thought safe.