Spirit of Colorado | Celebrate! | Crane Festival 20,000 sand hill cranes stop in Monte Vista i... 20,000 sand hill cranes stop in Monte Vista in the Spring and Fall. (3:37)

• Duration: 3:37
  Copyright Rocky Mountain PBS
  TV Rating: NR
  

NOVA scienceNOW | Saving Hubble Update, Gangster Birds, How Memory Works | Gangster Birds A mafia-style protection racket may be in ope... A mafia-style protection racket may be in operation in our backyards. (11:29)

• Duration: 11:29
  Copyright © 2009 WGBH Educational Foundation
  TV Rating: TV-G
  

NOVA scienceNOW | Saving Hubble Update, Gangster Birds, How Memory Works Season 4: Episode 7 Season 4: Episode 7 (52:47)

Chapter(s) 1 - 5 of 5

• 1. 1.Saving Hubble Update,
  2. 2.Gangster Birds,
  3. 3.Profile: Dr. Q,
  4. 4.How Memory Works,
  5. 5.Cosmic Perspective

• Duration: 52:47
  Copyright © 2009 WGBH Educational Foundation
  TV Rating: TV-G
  

NOVA scienceNOW | Moon Smasher, Secrets in the Salt, Sangeeta Bhatia, Carbon Sequestration | Bird Brains Clues to the origins of human language are tu... Clues to the origins of human language are turning up in the brains of birds. (13:23)

• Duration: 13:23
  Copyright PBS CP NOVA scienceNOW
  TV Rating: TV-G
  

Nature | American Eagle In the 1960s, the bald eagle became an emblem... In the 1960s, the bald eagle became an emblem of environmental degradation. (50:20)

Chapter(s) 1 - 5 of 5

• 1. 1.A Distinctly American Symbol,
  2. 2.Eagles Survive Siege & Rebound,
  3. 3.Winter: A Brutal Season,
  4. 4.Bald Eagle Reality TV,
  5. 5.Eaglets take their first flights

• Duration: 50:20
  Copyright 2008 Educational Broadcasting Corporation
  TV Rating: TV-PG
  

NOVA scienceNOW | Bird Brains, Space Storms, Yoky Matsuoka, Smart Bridges | Bird Brains Clues to the origins of human language are tu... Clues to the origins of human language are turning up in the brains of birds. (15:34)

• Duration: 15:34
  Copyright © 2008 WGBH Educational Foundation
  TV Rating: TV-G
  

NOVA | The Four-Winged Dinosaur | Microraptor The discovery of Microraptor reignites the co... The discovery of Microraptor reignites the controversy over how birds evolved flight. (10:10)

• Duration: 10:10
  Copyright WGBH Educational Foundation
  TV Rating: TV-PG
  

NOVA | The Four-Winged Dinosaur Surprising fosils from northeastern China spu... Surprising fosils from northeastern China spur a debate over how birds evolved. (54:20)

Chapter(s) 1 - 6 of 6

• 1. 1.Feathered Dinosaurs,
  2. 2.A Puzzle,
  3. 3.Microraptor,
  4. 4.Modeling,
  5. 5.Wind Tunnel,
  6. 6.An Unexpected Find

• Duration: 54:20
  Copyright WGBH Educational Foundation
  TV Rating: TV-PG
  

Nature | Crash: A Tale of Two Species | Living Fossils and Tiny Birds Horseshoe crabs face falling numbers; red kno... Horseshoe crabs face falling numbers; red knots prepare for migration. (12:08)

• Duration: 12:08
  Copyright 2008 Educational Broadcasting Corporation
  TV Rating: TV-PG
  

Nature | Crash: A Tale of Two Species | In the Arctic Research teams await the birds' arrival, and ... Research teams await the birds' arrival, and find out how perilous their situation is. (5:38)

• Duration: 5:38
  Copyright 2008 Educational Broadcasting Corporation
  TV Rating: TV-PG