Nature - Season 37 Episode 14
Breeding and the greening of the landscape are tied to another major spectacle of spring: the mass movements of animals as they take advantage of spring’s bounty. Meet the scientists who track the journeys of animals such as butterflies, birds, bison and bats over vast distances, from winter refuge to spring nesting grounds.
First Air Date : 1982-10-10
Last Air date : 2025-05-07
Runtime : 57 minutes
Genre : Documentary, Family
Cast :
Crew :
Quality : 
Subtitles :
- Season 37 : Episode 12018-10-24
- Season 37 : Episode 22018-10-31
- Season 37 : Episode 32018-11-07
- Season 37 : Episode 42018-11-14
- Season 37 : Episode 52018-11-21
- Season 37 : Episode 62018-11-28
- Season 37 : Episode 72019-01-09
- Season 37 : Episode 82019-01-16
- Season 37 : Episode 92019-01-23
- Season 37 : Episode 102019-02-13
- Season 37 : Episode 112019-02-20
- Season 37 : Episode 122019-04-10
- Season 37 : Episode 132019-04-29
- Season 37 : Episode 142019-04-30
- Season 37 : Episode 152019-05-01
