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
Spawning Areas and Abundance of Chinook Salmon (Oncorhynchus tshawytscha) in the Columbia River Basin: Past and Present (open access)

Spawning Areas and Abundance of Chinook Salmon (Oncorhynchus tshawytscha) in the Columbia River Basin: Past and Present

From abstract: Important Chinook salmon spawning areas are listed and charted in this report according to their past use and present use.
Date: October 1968
Creator: Fulton, Leonard A.
System: The UNT Digital Library
Natural History of the King Rail (open access)

Natural History of the King Rail

Summary of the king rail, including history, distribution and migration, physical description, breeding biology, foods, feeding behavior, mortality factors, and status as a game bird.
Date: May 1969
Creator: Meanley, Brooke
System: The UNT Digital Library
Stream Catalog of Southeastern Alaska Regulatory District No. 2 (open access)

Stream Catalog of Southeastern Alaska Regulatory District No. 2

From introduction: As a handbook of salmon streams, this catalog is expected to serve as an aid to conservation agencies as well as others who have an interest in the valuable salmon resources of Southeastern Alaska.
Date: April 1963
Creator: Orrell, Russell F. & Klinkhart, Edward G.
System: The UNT Digital Library
Stream Catalog of Southeastern Alaska, Regulatory District Nos. 3 and 4 (open access)

Stream Catalog of Southeastern Alaska, Regulatory District Nos. 3 and 4

From introduction: The pink salmon of Southeastern Alaska are an important fishery resource that appear in more than 1,100 known spawning streams. Information on each stream is presented by a stream description and, when available, a map and escapement record.
Date: August 1963
Creator: Orrell, Russell F.; Rosier, Carl & Simpson, Lyle R.
System: The UNT Digital Library
Mammals of Maryland (open access)

Mammals of Maryland

Overview of the mammals of Maryland, including descriptions of the orders and maps depicting distribution of the mammals.
Date: April 1969
Creator: Paradiso, John L.
System: The UNT Digital Library
Seven New White-winged Doves from Mexico, Central America, and Southwestern United States (open access)

Seven New White-winged Doves from Mexico, Central America, and Southwestern United States

Seven new subspecies of the white-winged dove (Zenaida asiatica) are described. The patterns of these recoveries are an invaluable aid to understanding racial distribution of this species. The extent of migration that breed in Central America is not yet adequately known. The range of the doves extends as far north as the southwestern United States.
Date: May 1968
Creator: Saunders, George B.
System: The UNT Digital Library