Here is another quiz showing a bird viewed from behind, with questions about the feather groups that are visible. Notice how the contours of the back define the feather groups.
More feather topography
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The feathers labeled 1 are:
The feathers labeled 2 are the:
The feathers labeled 3 are the:
The feathers labeled 4 are the:
The species is:
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There are 5 questions to complete.
3 thoughts on “Quiz 42: More topography of the upperparts”
It looks like question 4 points to what many of us refer to as tertials. Technically, they are inner secondaries, but my first impulse was to look for tertials… Great quiz, as always! ~Matthew
Was going to say the same, thanks!
Good quiz! Thanks, looking forward to more.