This week’s quizzes are looking at some warblers, in anticipation of the spring migration (which is already in full swing in some parts of the country). With thanks, again, to Brian E. Small for providing the beautiful photos. You can see lots more at his website.
Quiz: bird topography
Test your knowledge of bird feather topography with the questions below.
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.