Belding's Savannah Sparrows Eat Eggs From Live Fiddler Crabs

Catherine E. deRivera

doi:10.1676/0043-5643(2000)112[0427:BSSSEE]2.0.CO;2

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Catherine E. deRivera^*

^*Dept. of Biology, Univ. of California San Diego, 9500 Gilman Dr., La Jolla, CA 92093-0116; deRivera@biomail.ucsd.edu

Abstract

On 17 occasions in Chula Vista, California, at least one Belding's Savannah Sparrow (Passerculus sandwichensis beldingi) was observed chasing egg-carrying female fiddler crabs (Uca crenulata) and pecking eggs from ones it caught. Sparrows did not eat any part of the adult crab while eating the eggs. A fledgling learned this novel hunting technique after accompanying its parent for a month.

Citation Download Citation

Catherine E. deRivera "Belding's Savannah Sparrows Eat Eggs From Live Fiddler Crabs," The Wilson Bulletin 112(3), 427-428, (1 September 2000). https://doi.org/10.1676/0043-5643(2000)112[0427:BSSSEE]2.0.CO;2

Received: 29 December 1999; Accepted: 1 May 2000; Published: 1 September 2000

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