Man-made birdhouses have existed at least since the 15th-16th century. As agriculture and urbanization altered the environment through deforestation, the number of natural nesting cavities decreased. Birdhouses, or creating nesting spots like those shown here, are a solution and response to this problem.
Unusual Bird Nests
- chandoo
- Ultimate Contributor
- Posts: 19019
- Joined: Sep 08, 2007
- Location: Lahore
- Contact: