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Birds

Left map: National Audubon Society, Right map: Courtesy of the U.S. Geological Survey, http://phenology.cr.usgs.gov/get_data_1km.php

Map 1. Breeding distribution of Broad-tailed Hummingbird (left) coincides with the start of the growing season (right) in that landscape. 

Source: Intergovernmental Panel on Climate Change (IPCC) (2007) IPCC Fourth Assessment Report: Climate Change 2007.

Figure 1.  Historic changes in temperature, sea level, and snow cover.

Photo by Stella Walsh
Photo by Stephen Kress
Photo by Alison_Kocek

Arctic Tern Cam

Lindsay Addison
Ed Newbold
Ed Newbold
Ed Newbold
USFWS
Photograph by Tom Vezo/Minden Pictures/National Geographic Stock
Photograph by Bob Croslin
painting by Ed Newbold; graphics by Al Tietjen
Howard B. Eskin