Skip to main content
U.S. flag

An official website of the United States government

Book Chapters

Browse more than 5,500 book chapters authored by our scientists over the past 100+ year history of the USGS and refine search by topic, location, year, and advanced search.

Filter Total Items: 6158

Smolt production Smolt production

No abstract available at this time
Authors
W.C. Clarke, R.L. Saunders, S. D. McCormick

Systematics of wolves in eastern North America Systematics of wolves in eastern North America

Cranial morphology of Recent wolves throughout northern and western North America is remarkably consistent. Statistical analysis indicates the presence of four subspecies of gray wolf (Canis lupus) there, which are always distinguishable from the sympatric coyote (C. latrans). A fifth gray wolf subspecies, lycaon, occurs in southeastern Canada, and the red wolf (C. rufus), is found in...
Authors
R. Nowak, N.E. Federoff
Was this page helpful?