Smithsonian Conservation Biology Institute: Kirtland's Warbler No Longer Needs Protection From Brown-Headed Cowbird in Michigan
July 31, 2019
July 31, 2019
WASHINGTON, July 31 -- The Smithsonian Conservation Biology Institute issued the following news release:
For the past 40 years, brown-headed cowbirds have been trapped and killed in Michigan to prevent them from laying eggs in endangered Kirtland's warbler nests--causing warbler parents to care for cowbird chicks instead of their own chicks. A study published today in the Journal of Wildlife Management by scientists from the Smithsonian Migratory Bird Center and Utah State Universi . . .
For the past 40 years, brown-headed cowbirds have been trapped and killed in Michigan to prevent them from laying eggs in endangered Kirtland's warbler nests--causing warbler parents to care for cowbird chicks instead of their own chicks. A study published today in the Journal of Wildlife Management by scientists from the Smithsonian Migratory Bird Center and Utah State Universi . . .