Best known for his role in Ireland's fight for independence, Casement's fascinating zoological legacy can be found in many ...
Each spring, birds across America are in full voice. Cardinals chatter, sparrows sing and warblers warble. Birdsong lifts the ...
New research shows that variation in mating behaviors, parental care and differences in ornamentation of the sexes in bird ...
The breeding center, however, proved a success in saving the population which is recognized as the Northern bald ibis.
Birds don’t pair up, raise chicks, or show off bright feathers just for the sake of it. Something deeper shapes all of that.
All living things have limited energy and resources, and face trade-offs between competing priorities,” observed the study’s ...
An international study of 261 bird species has found that demographic factors, particularly skewed adult sex ratios, drive differences in mating behavior, parental care, and ornamentation, rather than ...
One of the main reasons is habitat fragmentation and shrinking ecosystems, which force wildlife into closer contact with ...