They are white & heavily speckled with brown flecks. You can identify them because there are usually only one or two in a nest and the rest of the eggs are smaller & a different color.
Quail eggs are a light tan egg with black spots of all sizes on the egg. They are smaller in size than a bantam chicken egg. It takes about 4 quail eggs to equal the normal hen egg.
Cowbirds lay their eggs in other birds nests, leaving the young to be raised by the host species.
In North America, cowbirds do this. In Europe, it is a type of Cuckoo that does this.
What do koi eggs look like?
A group of cowbirds is known as a "corral" and a "herd" of cowbirds.
The relationship is called parasitism. The cowbirds raid the other bird's nest and lay their eggs there. The other bird has to migrate to another tree to build a new nest.
Cowbirds lay their eggs in other birds nests.http://www.illinoisraptorcenter.org/cowbirds.html
mimicry
why are cowbirds considered unusual?
They are small round eggs that look like deer scat
The two live in a symbiotic relationship ; ticks like to feed upon Bison and the Cowbirds , in turn , feed upon the ticks .
What you saw was more likely a wren feeding a Brown-headed cowbird. Cowbirds are dark in color like crows but as adults are more blackbird-like in size. Cowbirds often lay their eggs in the nests of songbirds and allow them to hatch and raise the cowbird fledglings. This is a behavior known as brood parasitism and is normal for cowbirds. A cowbird fledgling oftentimes grows to become larger than the host parent that is raising it.
They are round clear jelly like eggs