How Does Habitat Fragmentation Affect Amazonian Birds?
The Biological Dynamics of Forest Fragments Project began in 1979 and is the world’s longest-running experimental study of tropical forest fragments.
Helping Migratory Birds While We Drink Our Coffee
The Andean mountains of Colombia, my homeland, are home to the world’s highest diversity of birds and are a major coffee-producing region.
900 Tiny Toe Bones Tell a Story About Prehistoric Eagles
Oona Takano’s research focuses on how something big — Pleistocene megafauna extinctions — affected something very small: the toe bones of eagles.
A Message from the AOS President: Supporting You During COVID-19
Our primary goal is to ensure that your AOS membership provides you with as much value as possible during this difficult time.
Climate Change May Be Making Migration Harder By Shortening Nightingales’ Wings
The Common Nightingale, known for its beautiful song, breeds in Europe and parts of Asia and migrates to sub-Saharan Africa every winter.
Scytalopus Tapaculos, a Continental Non-Adaptive Radiation
Birds in the tapaculo genus Scytalopus are a perennial source of headaches for ornithologists interested in species limits.
Is Intensive Agriculture Reducing Mourning Dove Reproduction in the Eastern U.S.?
Populations of some common bird species, including the familiar Mourning Dove, have been on the decline for decades in North America.
Is the Darién Region of Colombia a Migratory Bottleneck for Neotropical Migrants?
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.
Birds Provide a Boost to Corn but Not Soybean Crops in the Midwest
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.
A Utilitarian Argument for Sunbird Conservation
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.