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posted May 8th, 2012; last edited May 8th, 2012 –– David Sibley Part 3 of my introduction to learning bird songs is now up (click here). In this discussion, tempo refers to the overall “pace” of the song, the number of notes or phrases per second. We describe this as fast or slow, and over the course of the whole song the tempo can be steady [...] posted May 3rd, 2012; last edited May 3rd, 2012 –– David Sibley A singing Golden-winged Warbler The first post in a new series on identifying birds by sound: To learn bird songs, it is first important just to notice bird sounds. Train yourself to hear them and to hear the differences. Take a minute periodically while you are birding to stop, relax, maybe close your eyes, [...] posted May 1st, 2012; last edited May 1st, 2012 –– David Sibley This quiz shows warblers as they are so often seen in the field – with just the underside of the body visible. Clues such as tail shape, overall size, behavior and other subtleties can be very helpful with experience. In this quiz I focus on the more objective features of plumage. When all [...] posted April 11th, 2012; last edited April 11th, 2012 –– David Sibley 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. [...] posted April 10th, 2012; last edited April 9th, 2012 –– David Sibley 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. Warblers 1 Please wait while the activity loads. If this activity does not load, try refreshing your browser. Also, this page requires javascript. Please visit using a browser with javascript enabled. Congratulations – you have completed Warblers 1. You scored %%SCORE%% out of %%TOTAL%%. Your performance has been rated as %%RATING%% Your answers are highlighted below. Question 1 The species is: There are 2 questions to complete. You have completed All doneNeed more practice!Keep trying!Not bad!Good work!Perfect! You can read more about bird topography in my book Sibley’s Birding Basics. posted July 15th, 2011; last edited July 14th, 2011 –– David Sibley When considering impressions of shape and size as in Optical illusions and bird identification or More on illusions of size, one important aspect that I’ve mentioned only in passing is relative size. Consider the two birds in the sketches below, which one has the longer bill? Tricolored Heron (left) and Reddish Egret (right) approximately [...] posted June 24th, 2011; last edited June 24th, 2011 –– David Sibley I’ve just posted a complete list of French names for North American birds. This is the first step towards adding French names to the eGuide. Please let me know of any corrections. Thanks! posted June 7th, 2011; last edited June 7th, 2011 –– David Sibley The Blackberry app has been updated again today: Blackberry Update Version 4.1.0 – 7 Jun 2011 Blackberry-style theme (replaces “90′s DOS style” interface) Improved smart search Improved support for touch-enabled devices Improved support for native text auto-complete This follows an update on 27 May 2011 which included the following changes: Added “My Location” Global filter [...] posted April 13th, 2011; last edited April 13th, 2011 –– David Sibley I’ve just updated the list of field identifiable subspecies incorporating several readers’ comments, adding notes on several species, and adding an asterisk to highlight the most distinctive subspecies (as determined by my own subjective and arbitrary review process). Thanks to all who have contributed. Please keep sending suggestions and comments. posted April 7th, 2011; last edited April 26th, 2011 –– David Sibley Swainson's Warbler, an uncommon and elusive species often subject to playback efforts by birders. Gouache painting copyright David Sibley. With the recent surge in the availability of digital audio devices, the use of playback to attract birds into view has increased exponentially. This has fueled an ongoing debate among birders about the ethical issues [...] |
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