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Publications

This is a list of publications written by Patuxent employees since Patuxent opened in 1939.  To search for Patuxent's publications by author or title, please click below to go to the USGS Publication Warehouse.

Filter Total Items: 8128

Mate changes by black-bellied whistling ducks Mate changes by black-bellied whistling ducks

Delacour and Mayr (1945) suspected that whistling ducks (Dendrocygnini) kept the same mate for life. Bolen (1971) confirmed that Black-bellied Whistling Duck (Dendrocygna autumnalis) pairs remain together from year to year and reported one pair that had nested together for at least 4 yr. My recapture records of birds banded at nest boxes indicate that Black-bellied Whistling Ducks will...
Authors
Don Delnicki

Distribution and abundance of nesting ospreys in the United States Distribution and abundance of nesting ospreys in the United States

Nesting Ospreys (Pandion haliaetus) in the contiguous United States now number about 8,000 pairs. Five regional populations exist (in order of abundance): Atlantic Coast, Florida and Gulf Coast, Pacific Northwest, Western Interior, and Great Lakes. Pesticides severely impacted the populations in the northern portion of the Atlantic Coast (Boston to Cape May) and the Great Lakes, but both...
Authors
Charles J. Henny

Distribution and migration of seaside sparrows Distribution and migration of seaside sparrows

The majority of the nine presently recognized races of the Seaside Sparrow (Ammospiza maritima) are so similar to neighboring races that individual birds outside their known breeding range cannot be subspecifically identified with certainty. The northern race, A. m. maritima, is partially migratory, with most individuals departing in autumn from Chesapeake Bay and from all the coastal...
Authors
C.S. Robbins
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