David Beeson, June 2022
ANSWERS WILL BE IN A SEPARATE POST … so, you cannot cheat here!
Name the three types of feathers on a typical bird, such as a sparrow.
In mammals, skin hair cells have muscles attached to change their orientations. For example, when they are cold. Does this happen in birds?
Do feathers have a blood supply?
There is an old music hall song claiming that a thrush has 40 000 feathers. How many feathers are there on a wintering swan (the highest number I know)? a) 1 000, b) 20 000, c) 40 000 or d) 100 000.
Is it true that the change from winter plumage to summer, breeding, plumage is often achieved by the abrasion of the end of the feathers?
When humans tan, it is caused by the production of melanin in the skin. Do birds make melanin?
How long do feathers last on a golden eagle?
What are the ‘wish bones’ of a bird?
The keel of a bird’s skeleton is long and strong for the attachment of the main flight muscles, but penguins do not fly. Do penguins have a keel attached to their ribs and sternum (breast bone)?
All mammals, including the giraffe, have seven neck vertebrae. Is there a similar number in birds?