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US Fish and Wildlife Service, Office of Migratory Bird Management, Shorebirds |
 | | Shorebirds are a diverse avian group that include sandpipers, plovers, stilts, avocets, snipes, oystercatchers, turnstones, and phalaropes. |
 | | 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). |
 | | Shorebird chick mortality is often high due to starvation, exposure to the elements, and predation by gulls, foxes and other mammals. |
| www.fws.gov /migratorybirds/shrbird/shrbird.html (2383 words) |
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