

Counting on Birds: Tales of Migration
PBS డాక్యుమెంటరీలు ఉచిత ట్రయల్ లేదా కొనుగోలు
నిబంధనలు వర్తిస్తాయి
ఎపిసోడ్లు
సీ1 ఎపి1 - Counting on Birds
25 నవంబర్, 201356నిమిMeet 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.PBS డాక్యుమెంటరీలు ఉచిత ట్రయల్ లేదా కొనుగోలుసీ1 ఎపి2 - Bird Tales
5 అక్టోబర్, 201256నిమిWhy 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.PBS డాక్యుమెంటరీలు ఉచిత ట్రయల్ లేదా కొనుగోలుసీ1 ఎపి3 - Saving Songbirds
6 అక్టోబర్, 201156నిమిMeet 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.PBS డాక్యుమెంటరీలు ఉచిత ట్రయల్ లేదా కొనుగోలుసీ1 ఎపి4 - Journey of the Broad-Winged Hawk
22 జూన్, 201057నిమిEvery 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.PBS డాక్యుమెంటరీలు ఉచిత ట్రయల్ లేదా కొనుగోలుసీ1 ఎపి5 - Plight of the Grassland Birds
21 సెప్టెంబర్, 201556నిమిFrom 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.PBS డాక్యుమెంటరీలు ఉచిత ట్రయల్ లేదా కొనుగోలు