| Abstract: | Birds were mist-netted for ten consecutive ‘winter‘ seasons at two sites on Cerro San Gil and for three to nine seasons at eight other sites on the mountain. Sixteen nets were used at each site for three days; net locations were the same each year. From 1,255 subsequent-year recaptures we computed annual survival using the program MARK. A low annual survival of 0.26+0.03 for Long-tailed Hermit probably reflects extensive wandering in search of food. The only other residents with low survival rates were Ochre-bellied Flycatcher (0.32) and Olive-backed Euphonia (0.38). Other residents tested ranged from 0.49 for Red-capped Manakin to 0.67 for Stub-tailed Spadebill and are within ranges reported from other tropical sites. Rates for migrants were lower, ranging from 0.33 (Worm-eating Warbler) to 0.45 (Kentucky Warbler). Limiting the analysis to known territorial adults (birds that had already returned from a previous year), raised survival rates for residents an average of 0.05, whereas rates for wintering migratory species remained unchanged. The oldest birds recaptured were all residents: Scalythroated Leaftosser (9 years 9 months), Tawny-winged and Wedge-billed Woodcreepers, Northern Bentbill, Tawny-crowned Greenlet, and White-breasted Woodwren (8 years 9 months each). Ages over three years nine months were recorded for 46 species; for the majority of these, new maximum age records were established. A positive relationship was found between survival rate and maximum age and between sample size and maximum age |
| Genre: | Article |
| ProdID: | 5224646 |
| Citation Author: | Robbins, C.S.; Dowell, B.; Hines, J. |
| Citation Contributing Office: | Patuxent Wildlife Research Center |
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| Citation Language: | English |
| Citation Larger Work Title: | Program and Abstracts, Association of Field Ornithologists and the Wilson Ornithological Society, Fort Myers, Florida |
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| Citation Search Results Text: | Longevity records and survival estimate of birds in a Guatemala rain forest; 2002; Article; Journal; Program and Abstracts, Association of Field Ornithologists and the Wilson Ornithological Society, Fort Myers, Florida; Robbins, C.S.; Dowell, B.; Hines, J. |
| Citation Start Page: | abstract 5 |
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| Citation Year: | 2002 |
| Type: | citation/reference |
| Text: | Longevity records and survival estimate of birds in a Guatemala rain forest; 2002; Article; Journal; Program and Abstracts, Association of Field Ornithologists and the Wilson Ornithological Society, Fort Myers, Florida; Robbins, C.S.; Dowell, B.; Hines, J. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| Date Other: | Wed, 16 Jun 2010 12:13 -0500 |
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