Increase in numbers and potential phenological adjustment of Ruby-throated Hummingbirds (Archilochus colubris) during autumn migration at Hawk Mountain Sanctuary, Eastern Pennsylvania, 1990-2014

Authors :: Probst, Jennifer C.
Themen, Jean-Francois
Goodrich, Laurie J.
Bildstein, Keith L.
Source :: The Wilson Journal of Ornithology. June 1, 2017, Vol. 129 Issue 2, p360, 5 p.
Publication Year :: 2017
Abstract: ABSTRACT.--Global change can affect several aspects of bird biology, including population size and migration timing. We used count data collected during 25 years (1990-2014) at Hawk Mountain Sanctuary, a raptor [...]

Subjects :: Migratory birds -- Research
Bird populations -- Research
Ornithological research
Hummingbirds -- Research
Biological sciences

Tools