Statistics for BIOL132 BIRDS

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question	Answer	% Correct
red orange and yellow plumage is produced using ........... which can only be obtained the from ....	carotenoids, diet	100%
birds have .... colour receptors in their eyes	four	100%
turacoverdin is the only true ..... pigment	green	100%
what are birds feathers made of ?	keratin	100%
brown/black is ...... based colouration	melanin	100%
...... can also provide structural stability to the wings	melanin	100%
sexual dichromatism is difference in colouration between different .....	sexes	100%
^ This does not apply to parrots, makaws, lorikeets and cockatoos, their red/pink/orange/yellow colour comes from psittacofulins which .... produce	they	100%
what is the genus of the common kingfisher ?	alcedo	0%