Sequential cavity use in a cottonwood bottomland
Condor
By: J.A. Sedgwick
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Abstract
I studied the patterns and frequency of cavity reuse in a community of cavity-nesting birds in a cottonwood bottomland along the South Platte River in northeastern Colorado from 1985-1987. Of 100 cavities occupied in 1985, 56% were mused in 1986; 38.5% of 122 cavities occupied in 1986 were mused in 1987. Of 81 old cavities monitored in both 1986 and 1987, 65.4% were reused at least once. Similar proportions of secondary cavity-nesting bird (SCNB) and primary cavity-nesting bird (PCNB) cavities were reused in both years. Reoccupancy by the same species was 27% and 20.5% in 1986 and 1987, respectively, and was greater for SCNB than for PCNB cavities in both years. Conversely, reoccupancy by different species was greater for PCNB than for SCNB cavities in both years, Thus, old cavities of PCNB were more available to other species of cavity-nesting birds, whereas old SCNB cavities tended to be reused by the same species that previously occupied the cavity. SCNB used a greater proportion of old cavities than did PCNB in both 1986 and 1987. House Wrens (Troglodytes aedon) and Northern Flickers (Colaptes auratus) reoccupied most of the old cavities.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Sequential cavity use in a cottonwood bottomland |
| Series title | Condor |
| DOI | 10.2307/1370138 |
| Volume | 99 |
| Issue | 4 |
| Year Published | 1997 |
| Language | English |
| Publisher | Oxford Academic |
| Description | 8 p. |
| First page | 880 |
| Last page | 887 |
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