Bald Eagles and Moon
Two bald eagles sit in a bare tree in the Skagit Valley as the moon rises in the background.

Nesting Bald Eagles
A bald eagle delivers a fresh salmon to its mate, guarding their nest in Puyallup, Washington.

Nesting Bald Eagles, Alternate Image
Two bald eagles take turns guarding their nest near the Puyallup River, Puyallup, Washington.

Perched Bald Eagle
A bald eagle, perched in a tree along the Skagit River, searches for food.

Perched Bald Eagle - Alternate Image
A bald eagle is perched on a branch high above its nest in Puyallup, Washington.

Bald Eagle Calling from Tree, Winter
A bald eagle (Haliaeetus leucocephalus) calls out to other eagles from snow-covered trees that line the Skagit River in Washington state. Several hundred eagles spend the winter along that river, feasting on spawned out salmon.

Two Bald Eagles in Tree, Winter
Two bald eagles (Haliaeetus leucocephalus) hunt from a tree above the Skagit River in Washington state in winter.

Bald Eagle Feeding in Tree
A bald eagle (Haliaeetus leucocephalus) feeds on a salmon carcass that it carried up to a tree branch above the Cheakamus River near Brackendale, British Columbia, Canada.

Bald Eagle in Tree
A bald eagle rests in a tree along the Skagit River.

Bald Eagle, Vocal Juvenile
A juvenile bald eagle, perched in a tree along the Skagit River, cries out to other bald eagles nearby.

Juvenile Bald Eagle in Flight
A juvenile bald eagle (Haliaeetus leucocephalus) soars above Washington's Skagit River. For the first several years of their lives, juvenile bald eagles appear splotchy. The typical "bald" head doesn't develop until they are four or five years old.

Juvenile Bald Eagle on Snow-Covered Branch
A juvenile bald eagle (Haliaeetus leucocephalus) looks for food from its snowy perch above the Cheakamus River near Brackendale, British Columbia, Canada.

Juvenile Bald Eagle in Snow
A juvenile bald eagle (Haliaeetus leucocephalus) hunts for food from its snow-covered perch above the Skagit River in northern Washington state. Bald eagles typically do not develop their trademark white head until they are four or five years old.

Bald Eagle, Between Trees
A bald eagle (Haliaeetus leucocephalus) roosts on a narrow branch between several trees along the Skagit River.

Bald Eagle in Evergreen Tree
A bald eagle (Haliaeetus leucocephalus) searches for food from an evergreen tree high over the Skagit River.

Bald Eagle, Wings Oustretched
A bald eagle (Haliaeetus leucocephalus), with its chest puffed up and its wings outstretched, rests on a branch overlooking the Skagit River.

Bald Eagle, Looking Down
A bald eagle (Haliaeetus leucocephalus) looks down from its perch high above the Skagit River in search for food.

Bald Eagle Overhead
A bald eagle (Haliaeetus leucocephalus), perched in a tree over the Skagit River, looks down in search of food. This image was captured from a raft on the Skagit River.

Bald Eagle Hunting from Snowy Branch
A bald eagle (Haliaeetus leucocephalus) hunts from snow-covered trees that line the Skagit River in Washington state. Several hundred eagles spend the winter along that river, feasting on spawned out salmon.

Bald Eagle in Mossy Tree, Skagit River, Washington
A bald eagle (Haliaeetus leucocephalus) peers out from a moss-covered tree along the Skagit River near Marblemount, Washington.

Bald Eagle Feeding, Squamish River, British Columbia
A bald eagle (Haliaeetus leucocephalus) feasts on salmon in the Squamish River in Brackendale, British Columbia, Canada. The eagle's motions are captured as a blur in this long exposure.

Four Bald Eagles, Squamish River, British Columbia
Four bald eagles (Haliaeetus leucocephalus) feast and rest in the Squamish River in Brackendale, British Columbia, Canada. As many as 4,000 eagles spend part of the winter in Brackendale feasting on spawned out salmon.