Removal of Host Nestlings and Fecal Sacs by Brown-headed Cowbirds
Using video to study nest predation at Fort Hood, Texas, we documented female Brown-headed Cowbirds (Molothrus ater) removing nestlings at 7 of 133 (5.3%) Black-capped Vireo (Vireo atricapillus) and 1 of 11 (9.1%) Golden-cheeked Warbler (Dendroica chrysoparia) nests. It has been suggested that femal...
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| Veröffentlicht in: | The Wilson bulletin (Wilson Ornithological Society) 2001-12, Vol.113 (4), p.456-459 |
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| container_title | The Wilson bulletin (Wilson Ornithological Society) |
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| creator | Stake, Mike M Cavanagh, Paul M |
| description | Using video to study nest predation at Fort Hood, Texas, we documented female Brown-headed Cowbirds (Molothrus ater) removing nestlings at 7 of 133 (5.3%) Black-capped Vireo (Vireo atricapillus) and 1 of 11 (9.1%) Golden-cheeked Warbler (Dendroica chrysoparia) nests. It has been suggested that female cowbirds depredate nests they find late in the host's nesting cycle to stimulate renesting by hosts, thereby enhancing future opportunities for parasitism. At Fort Hood, the function of nestling removal by cowbirds is unclear, because cowbirds caused nest failure during only two of eight visits. At three nests, we also observed cowbirds ingesting or removing fecal sacs produced by host nestlings. Fecal sac ingestion by cowbirds, though apparently infrequent, may provide a nutritional benefit. |
| doi_str_mv | 10.1676/0043-5643(2001)113[0456:ROHNAF]2.0.CO;2 |
| format | Article |
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It has been suggested that female cowbirds depredate nests they find late in the host's nesting cycle to stimulate renesting by hosts, thereby enhancing future opportunities for parasitism. At Fort Hood, the function of nestling removal by cowbirds is unclear, because cowbirds caused nest failure during only two of eight visits. At three nests, we also observed cowbirds ingesting or removing fecal sacs produced by host nestlings. 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It has been suggested that female cowbirds depredate nests they find late in the host's nesting cycle to stimulate renesting by hosts, thereby enhancing future opportunities for parasitism. At Fort Hood, the function of nestling removal by cowbirds is unclear, because cowbirds caused nest failure during only two of eight visits. At three nests, we also observed cowbirds ingesting or removing fecal sacs produced by host nestlings. Fecal sac ingestion by cowbirds, though apparently infrequent, may provide a nutritional benefit.</description><subject>Animal ethology</subject><subject>Animal nesting</subject><subject>Aves</subject><subject>Behavior</subject><subject>Biological and medical sciences</subject><subject>Bird nesting</subject><subject>Birds</subject><subject>Brood parasitism</subject><subject>Cowbirds</subject><subject>Eggs</subject><subject>Female animals</subject><subject>females</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>hosts</subject><subject>Ingestion</subject><subject>Molothrus ater</subject><subject>nesting</subject><subject>Nestlings</subject><subject>nests</subject><subject>nutritive value</subject><subject>parasitism</subject><subject>Predation</subject><subject>Predators</subject><subject>Psychology. Psychoanalysis. Psychiatry</subject><subject>SHORT COMMUNICATIONS</subject><subject>Vertebrata</subject><subject>Vireos</subject><subject>Warblers</subject><issn>0043-5643</issn><issn>2162-5204</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2001</creationdate><recordtype>article</recordtype><recordid>eNqdkctq3DAYRkVIoZM0b1CoN4EW6olu_m23q6nJZAohA7msQhG6Thw8VpBMQ96-Ei7pJquihZC-ow_pCKEzgpcEajjDmLOyAs4-U4zJF0LYPeYVfLvebq5W6190iZfd9js9QAtKgJYVxfwQLV5PvUdHMT7ivK7qBVpd273_LYfCu2Lj41Rc2TgN_biLhRxNsbY6ZTdSx0K9FD-Cfx7LByuNNUXnn1UfTPyA3jk5RHvydz5Gd-vz225TXm4vfnary1Lxtp1KZqhmhNREc1U1DYBmqQdYyy0mTgE4LSmvwXJpsNVOUSUVNYTXrLFgKnaMvs69OzlY0Y_OT0HqnR1tkIMfrevT9qppgTc1qxNevoGnYey-12_xFzOvg48xWCeeQr-X4UUQLLJ4kZWJrFBk8SKJF1m8mMULKrDotoKmptO56UnGZM8FOeo-_qtjdYOB5wd9nLnHOPnwmnMCnGOS4k9z7KQXchdSxd0NxQTy30ELmTifCdX79KD_vvAf4gCsSg</recordid><startdate>20011201</startdate><enddate>20011201</enddate><creator>Stake, Mike M</creator><creator>Cavanagh, Paul M</creator><general>Wilson Ornithological Society</general><scope>FBQ</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20011201</creationdate><title>Removal of Host Nestlings and Fecal Sacs by Brown-headed Cowbirds</title><author>Stake, Mike M ; Cavanagh, Paul M</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-b499t-3d2c31171c4b58866c3ead6394e01fb66fca2476e4ad0ecfb2bab2d14738e6d53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2001</creationdate><topic>Animal ethology</topic><topic>Animal nesting</topic><topic>Aves</topic><topic>Behavior</topic><topic>Biological and medical sciences</topic><topic>Bird nesting</topic><topic>Birds</topic><topic>Brood parasitism</topic><topic>Cowbirds</topic><topic>Eggs</topic><topic>Female animals</topic><topic>females</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>hosts</topic><topic>Ingestion</topic><topic>Molothrus ater</topic><topic>nesting</topic><topic>Nestlings</topic><topic>nests</topic><topic>nutritive value</topic><topic>parasitism</topic><topic>Predation</topic><topic>Predators</topic><topic>Psychology. Psychoanalysis. Psychiatry</topic><topic>SHORT COMMUNICATIONS</topic><topic>Vertebrata</topic><topic>Vireos</topic><topic>Warblers</topic><toplevel>online_resources</toplevel><creatorcontrib>Stake, Mike M</creatorcontrib><creatorcontrib>Cavanagh, Paul M</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><jtitle>The Wilson bulletin (Wilson Ornithological Society)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Stake, Mike M</au><au>Cavanagh, Paul M</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Removal of Host Nestlings and Fecal Sacs by Brown-headed Cowbirds</atitle><jtitle>The Wilson bulletin (Wilson Ornithological Society)</jtitle><date>2001-12-01</date><risdate>2001</risdate><volume>113</volume><issue>4</issue><spage>456</spage><epage>459</epage><pages>456-459</pages><issn>0043-5643</issn><eissn>2162-5204</eissn><coden>WILBAI</coden><abstract>Using video to study nest predation at Fort Hood, Texas, we documented female Brown-headed Cowbirds (Molothrus ater) removing nestlings at 7 of 133 (5.3%) Black-capped Vireo (Vireo atricapillus) and 1 of 11 (9.1%) Golden-cheeked Warbler (Dendroica chrysoparia) nests. It has been suggested that female cowbirds depredate nests they find late in the host's nesting cycle to stimulate renesting by hosts, thereby enhancing future opportunities for parasitism. At Fort Hood, the function of nestling removal by cowbirds is unclear, because cowbirds caused nest failure during only two of eight visits. At three nests, we also observed cowbirds ingesting or removing fecal sacs produced by host nestlings. Fecal sac ingestion by cowbirds, though apparently infrequent, may provide a nutritional benefit.</abstract><cop>Lawrence, KS</cop><pub>Wilson Ornithological Society</pub><doi>10.1676/0043-5643(2001)113[0456:ROHNAF]2.0.CO;2</doi><tpages>4</tpages></addata></record> |
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| ispartof | The Wilson bulletin (Wilson Ornithological Society), 2001-12, Vol.113 (4), p.456-459 |
| issn | 0043-5643 2162-5204 |
| language | eng |
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| source | Jstor Complete Legacy; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | Animal ethology Animal nesting Aves Behavior Biological and medical sciences Bird nesting Birds Brood parasitism Cowbirds Eggs Female animals females Fundamental and applied biological sciences. Psychology hosts Ingestion Molothrus ater nesting Nestlings nests nutritive value parasitism Predation Predators Psychology. Psychoanalysis. Psychiatry SHORT COMMUNICATIONS Vertebrata Vireos Warblers |
| title | Removal of Host Nestlings and Fecal Sacs by Brown-headed Cowbirds |
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