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Dinosaur National MonumentSnow on tilted rock layers.
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Dinosaur National Monument
Spring Bird Migration Returns to Dinosaur National Monument

Sandhill cranes feed in a field with Split Mountain in the background
NPS Photo

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Date: April 6, 2008
Contact: Matthew Greuel, (435) 781-7700

Bald eagles, sand hill cranes, and Canada geese have returned to Dinosaur National Monument, marking the beginning of the spring bird migration. These and many other birds travel hundreds or thousands of miles between their winter and summer homes, stopping here to rest and feed.

The recent warm weather has melted most of the ice on the Green River, allowing bald eagles to hunt for their most common food: fish. Trees along the river provide an ideal perch from which they hunt. Sand hill cranes and Canada geese can often be heard before they are seen. Loud honking sounds can carry quite far – over a mile in the case of cranes.

Many visitors enjoy bird watching in the Monument and over 200 species of birds have been documented inside the Monument. A variety of habitats – riparian (along waterways), sagebrush, pinyon-juniper woodland, among others – encourages a variety of different birds. Popular bird watching locations include the Split Mountain Campground and River Trail, Josie Morris cabin area, and Jones Hole Trail. With temperatures gradually getting warmer, now is a good time to visit the Monument and watch the spring migration.

Picture of lizard resting on a rock.  

Did You Know?
Dinosaurs became extinct 65 million years ago, but lizards are still a common sight at Dinosaur National Monument. The small, inquisitive reptiles have endured on Earth for more than 300 million years, far outlasting their giant cousins.

Last Updated: April 13, 2008 at 18:37 EST