• Subtitle
    Choose Server
    • Server 1
    • Server 2
    • Server 3
Please choose another server if the video doesn't work or there is an error in the video
The National Geographic Guide to Birding in North America

1 Sezonas
24 Serija

The National Geographic Guide to Birding in North America - Season 1 Episode 9 Epizodas 9


(0 votes, average: 0.00/ 10)

30 minučių 2025 HD

  • Share

Plumage variation in a single bird reveals much useful information. First, take account of plumage differences based on sex, and seasonal plumage changes. Then investigate the remarkable range of age-related plumage variation in birds. Learn how birds molt (shed and replace plumage), and how hybrid species, as well as genetic and environmental factors, pose challenges for identification.

img

Sezonas

Panašus

  • 1994
    img

    Eyewitness

    Eyewitness

    6.00 1994 HD

    Dive into the field of natural science, Discover the Solar System or the various functions of the human body. The information is presented in the...

    img
  • 2009
    img

    Lost Land of the Volcano

    Lost Land of the Volcano

    7.70 2009 HD

    An international team of scientists, cavers and wildlife filmmakers venture deep into the heart of the remote tropical island of New Guinea.

    img
  • 1993
    img

    Bill Nye the Science Guy

    Bill Nye the Science Guy

    7.20 1993 HD

    It's "Mr. Wizard" for a different decade. Bill Nye is the Science Guy, a host who's hooked on experimenting and explaining. Picking one topic per...

    img
  • 2014
    img

    Xploration Awesome Planet

    Xploration Awesome Planet

    1 2014 HD

    Philippe Cousteau Jr., grandson of the legendary Jacques Cousteau, explores the most spectacular places - on the earth, inside the earth, and above...

    img
  • 2019
    img

    Our Planet

    Our Planet

    8.50 2019 HD

    Experience our planet's natural beauty and examine how climate change impacts all living creatures in this ambitious documentary of spectacular scope.

    img
  • 2008
    img

    10 Things You Didn't Know About...

    10 Things You Didn't Know About...

    8.00 2008 HD

    Iain Stewart reveals some surprising facts about the world's most destructive and spectacular natural phenomena, from earthquakes and tsunamis to...

    img
  • 2024
    img

    Nobody Asked

    Nobody Asked

    1 2024 HD

    Ever had a weird question you couldn't get out of your mind or a question you felt too embarrassed to ask? Well, lucky for you we're here to help!...

    img
  • 2006
    img

    Prehistoric Park

    Prehistoric Park

    7.40 2006 HD

    Using his knowledge of today’s animal kingdom and the latest research, wildlife adventurer Nigel Marven uses a time portal to take him into the...

    img
  • 2018
    img

    Animals Behaving Badly

    Animals Behaving Badly

    1 2018 HD

    Liz Bonnin meets the animals using outlandish means to find a mate and raise a family, and reveals the fascinating science that lies behind these...

    img
  • 2018
    img

    Turtle, Eagle, Cheetah: A Slow Odyssey

    Turtle, Eagle, Cheetah: A Slow Odyssey

    1 2018 HD

    Riding onboard with a cheetah, a green turtle and a white-tailed sea eagle as they show us around their homes, with natural sounds and embedded...

    img

Rekomendacija