Why the swallows stopped returning to San Juan Capistrano and how people brought them back.

Cliff swallows are one of more than 350 bird species that migrate along the Pacific Flyway. They stay in the Northern Hemisphere from March to October.

To lure the birds back, mission leaders contacted Charles Brown, an ecologist specializing in cliff swallow research at the University of Tulsa.

https://www.mercurynews.com/2018/03/26/why-the-swallows-stopped-returning-to-san-juan-capistrano-and-how-people-brought-them-back/

Publicado el marzo 27, 2018 10:30 MAÑANA por biohexx1