By Bobby Bascomb Birds produce an impressive variety of songs and calls, but the biological and ecological factors that ...

A few weeks ago, my nephew texted me about an encounter he had with a hawk while getting in his regular run around his ...

U.S. “In the tropics and all over the world, larger birds tend to be hunted for meat. Larger birds are assumed to call at a low frequency and if we don’t find any sound in the lower frequency ...