Shamelessly copied straight from an Audubon Society press release (The photo is mine at least):
Audubon Invites Volunteers to Help Track Hummingbirds This Spring
NEW YORK, NY (April 1, 2014) – With spring officially upon us, the National Audubon Society invites birders and nature enthusiasts across the country to help track the health of hummingbird populations with Audubon’s Hummingbirds at Home app. This citizen science project utilizes the power of volunteers to compile data at a scale that scientists could never accomplish alone.
Every spring, numerous hummingbirds migrate long distances and must eat several times their weight in nectar daily to stay alive. Hummingbirds visit our yards every year, looking for nectar from our gardens and feeders. As flowers bloom earlier because of warming temperatures, the impact on hummingbirds which rely on nectar could be significant. The degree Continue reading