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Catalyst season 1 finale: Wildlife in the city

Oct. 17, 2018

More from this show

“Catalyst” looks back at Season 1 with an exploration of bird and animal behavior in urban environments.

In this segment:

Pierce Hutton

Also in this episode:

Catalyst season 1 finale: Spiders and silk

Catalyst: season 1 finale: Saguaro cactus

Catalyst season 1 finale: Oceans and plastic

Catalyst season 1 finale: Human Generosity Project

Catalyst season 1 finale: Alzheimer's

Catalyst: The man behind the show

Catalyst season 1 finale: Myeloma

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