Second wave nesting of the California least tern: age composition and reproductive success

Author(s)
Massey, Barbara W. and Jonathon L. Atwood
Year
Article Title
Second wave nesting of the California least tern: age composition and reproductive success
Volume
98
Pages
596-605
Start Page Number
596
Final Page
605
Review

Datapoints

Displaying 1 - 5 of 5 datapoints.
Species: California Least Tern (Sterna antillarum ssp. browni)
Exposure Endpoint Type Endpoint Description Endpoint Value Sample Size Units Life Cycle Stage Specific Location California Counties Type
Time of Mating/ Laying nesting periods of early (first wave) and late (second wave) birds May-early Jul (first wave), late May-Aug (second wave) 8-10 pairs (first wave), 29 pairs (second wave) Adult NASA Island, Seal Beach National Wildlife Refuge Orange Exposure Factor Datasets
Fledging or Weaning Rate mean number of fledglings produced per nesting pair 0.50 (first wave), 0.58 (second wave) 10 nests (first wave), 33 nests (second wave) fledglings/pair Fledgling NASA Island, Seal Beach National Wildlife Refuge Orange Exposure Factor Datasets
Hatching Success proportions of eggs hatched of eggs laid 100% (first wave), 82% (second wave) 54 eggs (second wave) Hatchling NASA Island, Seal Beach National Wildlife Refuge Orange Exposure Factor Datasets
Clutch or Litter Size average clutch sizes for early and late nesters 2.33 (first wave), 1.70 (second wave) 10 nests (first wave), 33 nests (second wave) eggs/clutch Adult NASA Island, Seal Beach National Wildlife Refuge Orange Exposure Factor Datasets
Age at Sexual Maturity age of birds nesting for the first time 2 10 pairs yr Adult NASA Island, Seal Beach National Wildlife Refuge Orange Exposure Factor Datasets

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