Artificial Lure Use by a Great White Heron (ardea Herodias Occidentalis) in South Florida
The Wilson journal of ornithology(2019)
摘要
A unique foraging behavior of the Great White Heron (Ardea herodias occidentalis) was observed in south Florida on 4 June 2016. A Great White Heron was observed foraging in a marina using a stick as an artificial lure to attract prey. While wading in shallow water, the heron used its bill to drop sticks (10-15 cm in length) into the water, followed quickly by the heron striking the water near the stick. The Great White Heron was not observed capturing prey while using this technique; however, a plausible explanation for this behavior is prey attraction as the heron was actively foraging without a lure prior to the bait-fishing behavior. This first recorded use of artificial lures by a Great White Heron individual supports the well-documented flexibility in prey use and foraging behavior by the species, Ardea herodias.
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关键词
Ardea herodias occidentalis,artificial lure,bait-fishing,foraging,Great White Heron
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