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184769 results.

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Page 6857, results 171401 - 171425

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Post-copulatory display in fulvous and black-bellied tree ducks
B. Meanley, A.G. Meanley
1958, The Auk (75) 96-96
The courtship display of tree ducks has been characterized as simple, resembling that of the swan (Delacour, 'Waterfowl of the World', vol. 1, p. 32, London, 1954). However F. Finn ('Bird Behaviour', p. 262, London, 1919) called attention briefly to the fact that "there is frequently a marked display...
Growth and development of the king rail
B. Meanley, A.G. Meanley
1958, The Auk (75) 381-386
Growth and development of the King Rail (Rallus elegans) from hatching to first flight were studied by observations and measurements of captive birds and by observations of natural nests in the field. This is the fourth in a series of reports on the life history of the King Rail...
Distribution and migration of races of the mourning dove
J.W. Aldrich, A.J. Duvall
1958, Condor (60) 108-128
The Mourning Dove is a widespread species breeding in the non-boreal regions of North and Middle America and from the West Indies south to Panama. It is hunted extensively in many sections of the United States and in some sections of Canada, the West Indies, and Mexico....The trends in geographic...
Distribution and ecology of whistling swans in the Chesapeake Bay region
R. E. Stewart, J.H. Manning
1958, The Auk (75) 203-212
The Whistling Swan, Olor columbianus, is of particular significance in the Chesapeake Bay region, since major wintering and transient populations occur here regularly, constituting in some years more than half the total population of the species. Some of these concentrations are so large that they attract many bird-watchers, who...