Birds in the tapaculo genus Scytalopus are a perennial source of headaches for ornithologists interested in species limits.
Author: AOS Staff
Populations of some common bird species, including the familiar Mourning Dove, have been on the decline for decades in North America.
Our passion for migratory birds and curiosity to reveal the mysteries of migration took us to one of the most spectacular regions of Colombia: the Darién.
The Midwest’s vast seas of corn and soybeans are not known for their bird abundance or diversity, but if you look in the right places, the birds are there.
For more than a century, the Migratory Bird Treaty Act has helped ensure that we can continue to study and enjoy birds in North America.
I can distinctly remember why I became interested in the number and relative frequency of food plants for African sunbirds that are useful to humans.
Unraveling the mysteries of Neotropical bird diversity has captured the attention of scientists for more than 100 years.
It was my experiences as a hawk counter that first drew me to studying raptors as a master’s degree student at the University of Minnesota-Duluth.
When hungry sea lions started using an important wetland in Chile like an all-you-can-eat swan buffet, local authorities were taken by surprise.
New research shows that fall migration patterns have been shifting over time.