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Nesting by a Yearling Canada Goose

Authors: Linda C. Hall; Frank B. McGilvrey;

Nesting by a Yearling Canada Goose

Abstract

A free-flying Canada goose (Branta canadensis interior), known to be just under a year old, laid a clutch of four eggs at the Patuxent Wildlife Research Center. At least half of the 2-year-old females nest at Patuxent, and almost all of the 3-year-olds nest. As far as we know, this is the first record of nesting by a yearling Canada goose. N EST1NG CANADA GOOSE * Hall and McGilvrey 835 shouldered hawks ( Buteo lineatus ), 42 Cooper's hawks, 10 marsh hawks (Circus cyaneus ), 8 sparrow hawks ( Falco sparverius), 36 great horned owls, 15 ringnecked pheasants ( Phasianus colchicus ), and 7 miscellaneous small birds. Also, a total of seven Cooper's hawks and five redtailed hawks were shot during this same period ( Meng 1951 ) . This gives an 8-year total of 123 raptors caught in pole traps. Few of these birds could be banded and released. For the 8 years, an average of 10 traps were in operation each season from mid-August through March. The Swedish goshawk trap is efficient in capturing raptors that have been lured to game farms by ovlerpopulations of birds. The data indicate that ffiis tap is more effective than pole-trapping or shoofing. Even if it were not, its use should be encouraged, for many people feel that the pole trap should be outlawed.

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Powered by OpenAIRE graph
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
2
Average
Average
Average
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