Results tagged “wingspan” on Earth Touch Blog
The snow hunter Jan 29 2008
The great grey owl (Strix nebulosa) is one the largest in the world and in North America it is the tallest owl with the largest wingspan. Yet there are other owls that weigh more and have bigger feet.
Did you know? Manta rays Sep 12 2007
Manta rays (Manta birostris) are the world’s largest rays, and favour tropical and sub-tropical oceans.
Did you know? Bird bones Sep 10 2007
To be able to fly, a bird‘s skeleton needs to be lightweight and strong. To achieve this, nature has endowed birds with several adaptations for flight. They have fewer bones than mammals. Many of their bones, such as the middle and lower vertebrae, are fused together, and some tail, finger and leg bones are missing. Some of their bones are hollow, with internal struts for reinforcement, much like the lightweight wooden struts in early aeroplanes.
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