Many consider cowbirds to be a nuisance. Setting up backyard bird feeders or a birdbath are simple and easy ways to enjoy ...
De Groot and Smith worked in northern Michigan where there is an extensive cowbird removal program to protect the Kirtland's Warbler (Dendroica kirtlandii). This bird only nests in young jack pine ...
Known for their adaptability, house sparrows frequently evict other birds like swallows, bluebirds, and chickadees from their ...
I was surprised by how many people wrote in with methods of how to discourage birds from building nests at their house.
Some species of cowbirds don't appear to be the best parents. For example, Molothrus badius doesn't make nests and M. ater - the brown-headed cowbird studied here - does not even pair up, defend ...
Brood parasite, lays eggs in other birds’ nests. A female cowbird may lay as many as 40 eggs during the nesting season. Eggs are white with brown spots and are usually larger than host eggs. Female ...
Brood parasitic birds lay their eggs in the nests of others, sparing themselves the expense of rearing their own young. The resulting coevolutionary arms race includes sophisticated defenses by ...
The common brown-headed cowbird is the most widespread brood parasite in North America. Poly­typic. Length 7.5". A smallish, compact and stocky blackbird with a short and thick-based bill ...
In about two-thirds of songbird species, female birds sing, too. The research so far suggests that their reasons for singing ...
The cowbird lays its eggs in the nests of songbirds. The rapidly growing cowbird hatchlings steal food from the hosts, decreasing their reproductive success. You can recognize the male cowbird by its ...
The Nest Protect smoke detector is one of the few products that hasn’t been renewed under Google’s umbrella, and beyond that it hasn’t even been integrated into this new era, as it still ...