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.
[mtouchquiz 48]
Quiz 42: More topography of the upperparts
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.
[mtouchquiz 48]
David,
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.