Life history of the endangered Cape Sable Seaside Sparrow

Julie L. Lockwood, Katherine H. Fenn, John L. Curnutt, Deborah Rosenthal, Karla L. Balent, Audrey L. Mayer

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

Cape Sable Seaside Sparrows (Ammodramus maritimus mirabilis) breeding within eastern Everglades National Park were philopatric and moved only short distances between clutches. Incubation required 12 days, nestlings fledged at 9.2 days, and fledgling care ranged from eight to 20 days. The total nest cycle encompassed 34-44 days. Nestlings were fed spiders and insects, primarily Orthoptera, Lepidoptera, and Odonata. Diet varied between years and study sites. With the onset of summer rains, predation rate increased, and nest success decreased. Breeding activity diminished throughout June, coinciding with rising water in nest areas. Our results indicated that the lack of breeding habitat and the onset of summer flooding limit the breeding potential of Cape Sable Seaside Sparrows.

Original languageEnglish (US)
Pages (from-to)720-731
Number of pages12
JournalWilson Bulletin
Volume109
Issue number4
StatePublished - Dec 1 1997
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Animal Science and Zoology

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