Tim Fitzharris / Bald Cypress (Taxodium distichum) at upper Blue Basin, this is a major migratory bird stopover for the Mississippi Flyway, Reelfoot National Wildlife Refuge, Tennessee

Marie Read / Wilson's Phalaropes (Phalaropus tricolor) flock flying over tufa formations at Mono Lake in late summer, with reflection, California, USA. July 2013. Mono Lake is an important staging site for sho...

Marie Read / Wilson's Phalaropes (Phalaropus tricolor) large flock on the shore at Mono Lake in late summer, California, USA. July. Mono Lake is an important staging site (stopover site) for migrating shorebir...

Rick Tomlinson / Parade of Sail during the Gothenburg stopover, Sweden during the Volvo Ocean Race, 2001-2002.

Tony Wu / Siberian flying squirrel (Pteromys volans orii) sitting in favorite perch used to sit, eat or stopover before gliding to forage. Hokkaido, Japan. February.

Jack Dykinga / Sandhill crane (Grus canadensis) flock wading and feeding at stopover site during migration. Whitewater Draw, Arizona, USA. November.