Find the Greater Secondary Coverts These are some of my digiscoped photos from a recent trip to Belize, all taken at the fantastic Black Rock Lodge. On each photo body parts are labeled with letters, and your challenge is to identify the greater secondary coverts on each bird. Good luck!
The three photos below show a Song Sparrow as it turns its head. Your challenge is to locate the plumage marking known as the lateral throat stripe in each photo. Photos ©David Sibley. Sep 2012, Concord MA.
Here is a new quiz about the topography of the upperparts of a large songbird.
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.
Test your knowledge of bird feather topography with the questions below.
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.
This week’s quizzes will be looking at some warblers, in anticipation of the spring migration. With thanks, again, to Brian E. Small for providing the beautiful photos. You can see lots more at his website. You can read more about bird topography in my book Sibley’s Birding Basics.
Update: Congratulations to Alvan, the winner of the Backyard Birds poster. Thanks to all who took the quiz and entered. The response was fantastic, and keep watching for another prize giveaway in the near future. Today’s quiz introduces a new feature – a prize! If you get all three questions correct, be sure to click …
With thanks to the online wing collection of the Slater Museum of Natural History, University of Puget Sound for allowing the use of their wing photos. With thanks, again, to Brian E. Small for providing the beautiful photos. You can see lots more at his website, and clicking any of his photos links there as well.