Branch of zoology that deals with animals that have spinal columns.
Hawaiian duck's future threatened by feral mallards [ More info] The greatest threat to the future of the Koloa maoli as a unique species is cross-breeding with the introduced Mallard duck. This type of threat is termed genetic extinction.
Identifying predators and fates of grassland passerine nests using miniature video cameras [ More info] Description of the use of a miniature video-camera system deployed at nests of passerine species in North Dakota to videotape predation of eggs or nestlings by animals such as mice, ground squirrels, deer, cowbirds and others.
Illustrated field guide for assessing external and internal anomalies in fish [ More info] Links to PDF version of the field guide.
Improving strategies to assess competitive effects of barred owls on northern spotted owls in the Pacific Northwest [ More info] A scientific study has determined that survey methods designed for spotted owls do not always detect barred owls that are actually present in spotted owl habitat.
Interagency Grizzly Bear Study Team (IGBST) [ More info] Description of research program for immediate and long-term management of grizzly bears (Ursus arctos horribilis) inhabiting the Greater Yellowstone Ecosystem. Includes links to reports in PDF format and cooperating organizations.
Investigating White-Nose Syndrome in Bats [ More info] Explains the nature and history of this fungal infection that is killing large numbers of bats in the northeast US.
Lead Poisoning in Wild Birds [ More info] Even though lead usage has declined due to environmental awareness and regulation, several human sources of lead continue to affect birds. Hunting ammunition and fishing gear are ingested by the birds, with toxic effects.
Managing habitat for grassland birds: a guide for Wisconsin [ More info] Guide to identification, selection, and management of grassland habitats in Wisconsin to conserve the populations of grassland birds. Includes glossary, references, bird lists, graphs, and maps.
Maps of distribution and abundance of selected species of birds on uncultivated native upland grasslands and shrubsteppe in the northern Great Plains [ More info] Links to maps of breeding distributions of bird species on grasslands and shrublands in the northern Great Plains. Maps can also be downloaded from *.zip files in HTML format.
Noninvasive methods for monitoring bear population trends [ More info] We estimate population growth rates by collecting hair at natural bear rubs along trails, roads, and fence and power lines, and analyzing the DNA from the hair.
Alphabetical Index of Topics
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