Biogeography

Biogeography is the study of the geographical distribution of plants and animals.

A lizard clinging upright on a steep rock with dried grass behind it.

Urbanization is Shortening the Legs of Western Fence Lizards

Caitlin Dempsey

Western fence lizards have adapted to manmade surfaces in urban areas by developing shorter limbs and toes.

An American robin on a tree branch.

Most Abundant Landbird in the United States and Canada

Caitlin Dempsey

The American robin has the largest population among all landbirds in the United States and Canada.

A fox squirrel lying with legs stretched in the grass.

Why Do Squirrels Lie Flat?

Caitlin Dempsey

There are several reasons for why squirrels will lie flat on the ground, a patio railing, or tree branch.

The color of water is a by product of how light is absorbed. Mangrove islands bespeckle the bay in upper Lostman's River. Photo: Paul Nelson, U.S. Geological Survey. Public domain.

How Mapping Mangrove Species Can Help With Coastal Erosion Mitigation

Mark Altaweel

Species-specific mangrove maps aid conservation by targeting protection efforts and resources against storm surges and coastal erosion.

An abnormal growth of leaves in a conifer tree.

Witch’s Broom in Trees: Dense Clump of Leaves and Branches

Caitlin Dempsey

Witch's broom affects trees like birch, spruce, and pine, causing dense twig and leaf clusters due to pathogens, parasites, and environmental stressors.

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