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Althea Sherman reported that House Wrens destroyed eggs of 29 different birds. They can remove an entire chickadee nest in a matter of hours.
This wren was caught in the act on my infrared nestbox camera. It is attacking House Wren eggs, probably in a competitor’s nest. The entire attack lasted a matter of seconds. Notice that the House Wren makes a pretty big hole in the center of the egg, as opposed to the two tiny holes sometimes seen when House Wrens remove an egg from a box. It eventually removed all the egg fragments.
Reminds me of the shower scene in the Hitchcock movie Psycho.
MORE INFORMATION & RESOURCES
- Deterring House Wrens
- All About House Wrens
- Predator/Problem ID and Solutions
- Video of House Wren attacking newborn bluebirds
Nature is NOT putting up boxes for the birds to nest in. Putting up a box is interfering with nature. With that intervention comes responsibility.
Nicholas A. Zbiciak, Bluebird_L, 2000
