Them bones!

//Them bones!

Them bones!

Wednesday 1st April

 

Click to play                        Read by Matthew

 

bird skeletonBones - the skeleton. Birds need to be light in weight. They use a lot of energy flapping their wings to take off and fly. So the bones that make up a bird's skeleton must be light as well as strong to do their job. A bird’s main limb bones are hollow, with special struts inside to strengthen them. This makes them strong. Have you ever tried to see how much weight a paper tube can hold? Why not try a few paper tubes stuck together in a bundle? Perhaps you could make your own paper tubes from newspaper? or use paper drinking straws? Finding out how strong tubes can be will help you understand that a bird's skeleton is light weight as well as strong.

Mute_swanThe largest common bird in Britain is the Mute swan with a wingspan of 223cm and weight of 11.5kg (male). The smallest bird in Britain is the Goldcrest and Firecrest - tiny birds with a 14cm wingspan and only 6g weight. The Firecrest is rarer than the Goldcrest. I often hear Goldcrests singing at this time of year. A high pitched - "zezezezezee" from tress and hedges where they search for insects flitting from one branch to the next - they don't keep still!.The world's largest living bird is the Ostrich that can weigh 136kg and 2.5m tall. The smallest bird in the world is the Bee Hummingbird of Cuba - weighing about 1.8g and only 5.7cn long! The biggest wingspan is the amazing Wandering Albatross, 3.6m wide! Albatrosses, Albatross Pictures, Albatross Facts - National Geographic

Here's a picture of the Bee Humming bird that made me chuckle!

humming bird

By |2018-09-04T08:51:14+00:00April 1st, 2015|Chatterbox|0 Comments

About the Author:

Jackie Day
Until recently Jackie was the RSPB Education Officer for West Sussex based at The Pulborough Brooks Nature Reserve. Responsible there for developing and delivering the education programme on the reserve and in schools, Jackie has considerable experience working with schools, teachers and pupils teachers on developing science and nature activities that address the requirements of the new primary curriculum.

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