A deeply nasal “wank, wank, wank” issued from an oak tree next to the pine and I was struck with the pleasant thought that I was suddenly sharing the forest with a white-breasted nuthatch, a unique ...

Birds can often be seen navigating the skies in coordinated clusters. Even a relatively small congregation of 50 or so birds flying in time together can be a pretty spectacular sight. When one ...

Mixed-species bird flocks are dynamic assemblages observed across a range of forest ecosystems, from tropical rainforests to temperate woodlands. These flocks, formed by a diversity of species, are ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) The late Oxford University biologist William D. Hamilton discussed the advantages of ...

Greenberg, Russell S. 2001. "Birds of many feathers: the formation and structure of mixed species flocks of forest birds." In On the move: how and why animals travel in groups. Boinski, S. and Garber, ...

Migratory birds in V-formations master aerodynamic principles, using air currents from leading birds to conserve energy.

The Iowa Department of Agriculture and Land Stewardship has detected a second outbreak of the highly pathogenic avian influenza in a Kossuth County mixed-species flock in a week.A spokesperson with ...