aircraft

Birds sound off when aircraft fly by

January 3, 2020

When researchers studied the effects of aircraft flying over national parks, they expected the noise would cover up any bird song, and maybe cause birds to startle ...

A falcon legacy

June 28, 2016

Skip Ambrose hasn’t missed an American peregrine falcon (Falco peregrinus) nesting season in 40 years. Through binoculars and spotting scopes, he has watched the ...