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1 February 2000 COPULATION BEHAVIOR, MATE GUARDING, AND PATERNITY IN THE SEMIPALMATED PLOVER
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Abstract

We present behavioral observations and multilocus DNA fingerprinting data on Semipalmated Plovers (Charadrius semipalmatus) breeding in the sub-Arctic. We predicted that, where a large time/energy investment by males during incubation and chick-rearing is crucial for successful reproduction, both extra-pair copulation and fertilization rates would be low. Extra-pair copulations were infrequent (7% of total copulations), as were within pair copulations (0.44 hr−1). Copulations occurred, on average 6.2 days prior to clutch initiation. Males spent 64% of their time in visual contact with their mates. Mate guarding during the laying period was significantly more pronounced in coastal neighborhoods of breeding birds than among solitary-nesting pairs. Extra-pair fertilizations occurred in 4% of families resulting in an extra-pair paternity rate of 4.7%.

Yuri Zharikov and Erica Nol "COPULATION BEHAVIOR, MATE GUARDING, AND PATERNITY IN THE SEMIPALMATED PLOVER," The Condor 102(1), 231-235, (1 February 2000). https://doi.org/10.1650/0010-5422(2000)102[0231:CBMGAP]2.0.CO;2
Received: 28 April 1999; Accepted: 1 October 1999; Published: 1 February 2000
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