Golden-crowned sparrows sunbathing on a chilly morning.
This Bald Eagle found a frozen duck in a field and was having itself a nice breakfast.
Rufous-naped wrens at Hotel Bougainvillea in Heredia, Costa Rica.
New research shows that birds use their beak as a way to regulate body temperature.
Annual migration map of Rufous Hummingbird (Selasphorus rufus) for each week of 2015.
A Willow Flycatcher seen at McLane Creek Nature Trail near Olympia, WA
Some great examples of the color variations in Pacific Tree Frogs at Billy Frank Jr Nisqually National Wildlife Refuge