Bird Identification: CLOSED: Any ideas?, 1 by Jill1989

Jill1989 wrote:

Thanks much, Chillybean & Resin!
I read a few interesting things about cowbirds.
• Over 220 other bird species have had to contend with cowbird eggs in their nests.
• Females lay as many as 3 dozen eggs a summer. • Genetic studies show they are not monogamous.• To satisfy calcium needs they eat snail shells and sometimes the eggs shells of other birds.• Warblers may build another nest over the cowbird egg.• Larger birds may roll the cowbird egg out of their nest.