Mammals of the La Selva-Braulio Carrillo Complex, Costa Rica (open access)

Mammals of the La Selva-Braulio Carrillo Complex, Costa Rica

Summary of 142 species of mammals of Costa Rica, including geographical distribution, subspecies, last documented sighting in Costa Rica, and origin of specimen examined for each species.
Date: December 1989
Creator: Timm, Robert M.; Wilson, Don E.; Clauson, Barbara L.; LaVal, Richard K. & Vaughan, Christopher S.
System: The UNT Digital Library
Ecology and Biology of the Pacific Walrus, Odobenus Rosmarus Divergens Illiger (open access)

Ecology and Biology of the Pacific Walrus, Odobenus Rosmarus Divergens Illiger

Pacific walrus is summarized, including distribution and migrations by month, general morphology and growth, skin and hair, dentition, food and feeding behavior, reproduction, morbidity and mortality, and population.
Date: 1982
Creator: Fay, Francis H.
System: The UNT Digital Library
Birds of the St. Croix River Valley: Minnesota and Wisconsin (open access)

Birds of the St. Croix River Valley: Minnesota and Wisconsin

Summary of the birds of the St. Croix River Valley, including descriptions of each species' migration status and times of year, nesting season distribution, and habitat.
Date: 1981
Creator: Faanes, Craig A.
System: The UNT Digital Library