

Counting on Birds: Tales of Migration
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Persyaratan berlaku
Episode
S1 E1 - Counting on Birds
25 November 201356mntMeet bird lovers who participate in the National Audubon Society’s annual Christmas Bird Count, from the forests of New Hampshire and Maine, to the mountains of Ecuador and tropics of Cuba. It’s the world's longest-running wildlife census.Uji coba gratis PBS Documentaries atau beliS1 E2 - Bird Tales
5 Oktober 201256mntWhy are people so devoted to birds? Meet American and Nicaraguan schoolchildren, a birdsong expert, an artist, a bird sanctuary guide and a prison inmate who are all passionate about birds.Uji coba gratis PBS Documentaries atau beliS1 E3 - Saving Songbirds
6 Oktober 201156mntMeet people dedicated to saving migratory songbirds, from scientists tracking their populations, to Vermont schoolchildren helping to re-forest mountains in Costa Rica, to coffee farmers engaged in bird-friendly practices.Uji coba gratis PBS Documentaries atau beliS1 E4 - Journey of the Broad-Winged Hawk
22 Juni 201057mntEvery year broad-winged hawks embark on a spectacular 4,500-mile journey from New Hampshire to South America. Trace the migration of these magnificent raptors, and meet the people and communities who follow them.Uji coba gratis PBS Documentaries atau beliS1 E5 - Plight of the Grassland Birds
21 September 201556mntFrom the vast plains of Montana, the deserts of Mexico, and the meadows of New England, grassland birds are losing their habitats at an alarming rate. Find out how these birds and their habitats are being saved.Uji coba gratis PBS Documentaries atau beli