David Beeson, June 2022
ANSWERS WILL BE IN A SEPARATE POST … so, you cannot cheat here!
QUESTION ONE
Name the three types of feathers on a typical bird, such as a sparrow.
QUESTION TWO
In mammals, skin hair cells have muscles attached to change their orientations. For example, when they are cold. Does this happen in birds?
QUESTION THREE
Do feathers have a blood supply?
QUESTION FOUR
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.
QUESTION FIVE
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?
QUESTION SIX
When humans tan, it is caused by the production of melanin in the skin. Do birds make melanin?
QUESTION SEVEN
How long do feathers last on a golden eagle?
QUESTION EIGHT
What are the ‘wish bones’ of a bird?
QUESTION NINE
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)?
QUESTION TEN
All mammals, including the giraffe, have seven neck vertebrae. Is there a similar number in birds?