The Trumpeter Swan: its History, Habits, and Population in the United States (open access)

The Trumpeter Swan: its History, Habits, and Population in the United States

Summary of the trumpeter swan, including geographic distribution, habitats for breeding and wintering, life cycle, nesting, food, limiting factors, longevity, population dynamics, and human management.
Date: April 30, 1960
Creator: Banko, Winston E.
System: The UNT Digital Library
A Review of the American Moles (open access)

A Review of the American Moles

Discusses habits; economic status; characteristics and development of young; pelages and molts; and geographic, individual, sexual, and age variation. Describes subfamilies, history, and generic names of the family Talpidae. Describes, lists locations, and provides a key for genera, species and subspecies.
Date: September 30, 1915
Creator: Jackson, Hartley H. T.
System: The UNT Digital Library
Results of a Biological Reconnoissance of South-Central Idaho (open access)

Results of a Biological Reconnoissance of South-Central Idaho

Brief summary of south-central Idaho, including descriptions of subregions, mammals, birds, and reptiles.
Date: July 30, 1891
Creator: Merriam, C. Hart & Stejneger, Leonhard
System: The UNT Digital Library