Monday, September 26, 2005

Bar-tailed Godwit (Limosa lapponica)

Title: Bar-tailed Godwit, Alternative Title: Limosa lapponica, Creator: Bowman, Tim, Source: DI-TB-btgo_b1, Publisher: (none), Contributor: ASSISTANT REGIONAL DIRECTOR-EXTERNAL AFFAIRS.Title: Bar-tailed Godwit, Alternative Title: Limosa lapponica, Creator: Bowman, Tim, Source: DI-TB-btgo_b1, Publisher (none), Contributor: ASSISTANT REGIONAL DIRECTOR-EXTERNAL AFFAIRS.
Language: EN - ENGLISH, Rights: (public domain), Audience: (general), Subject: Birds, Shorebirds, Aquatic Birds, Godwits, Alaska.

Shorebirds are a diverse avian group. These groups form the 49 species of shorebirds that are common in North America. They generally have small bodies, long, thin legs and no webbing on their feet. One of the interesting facts about shorebirds is their amazing variety of bill shapes and sizes. Differences in bill length and shape allow the many species of shorebirds to forage for food on dry soil or in shallow water.

Shorebirds range in size from a few ounces to a pound or more and come in a variety of colors. Shorebirds migrate over incredible distances. The migratory paths used by shorebirds are influenced by geography and wind. Shorebirds are thought to have an internal compass for directional orientation which may be influenced by the sun, moon, position of stars, polarized light, magnetism, wind, photoperiod, or even olfactory cues (Kerlinger, 1995).

Shorebirds are closely associated with wetland areas but do not swim. They are found in intertidal mudflats, salt marshes, and estuaries. Though many species can be found on ocean shores, a great many also use interior fresh water wetland areas of North America along their migratory routes and in breeding areas.

File size: 133 KB, Format: JPEG image (image/jpeg), Dimensions: Screen: 1050px x 713px, Print: 7.00 x 4.75 inches, Resolution: 150 dpi (mid, presentation quality), Depth: 24 color(s).

Unless otherwise indicated, resources in the Digital Library System are in the public domain. No restrictions or copyrights are placed upon these materials. You may credit the source of the resource using the information contained in the "Creator" or "Rights" field of the resource record. Download Full High Resolution Image

Text Credit: U. S. Fish and Wildlife Service Kerlinger, P., 1995. How Birds Migrate. Stackpole Books, Mechanicsburg, PA.

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