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I haven&#8217; --Apple-Mail-30--621235116 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=windows-1252 Hi John (et al), These are handy tips about woodpecker drumming, since I always end up = noting heard drums as woodpecker sp, unless it's the especially = distinctive drum of a sapsucker. There's more tips, with sounds and spectrograms for comparison, here. = The only one of our regular woodpeckers that's missing is Black-backed, = whose drum taps speed up (less dramatically than the sapsucker's slow = down) and can be heard here. Cheers, Andy On Mar 24, 2013, at 3:28 PM, John Kearney wrote: > At this time of year it is common to hear a woodpecker drumming deep = in the forest. For a few years I=92ve been taking notes on how one might = identify a woodpecker by drumming. > Here is what I have found so far. Perhaps others have some = observations they would be willing to share. > =20 > Hairy Woodpeckers appears to be the species most often heard drumming = in a sustained way over fairly long intervals, especially in deep woods. = Its drum is about 2 seconds in length and usually well over 10 seconds = apart. > =20 > The Downy Woodpecker is very similar to the Hairy Woodpecker. However = I found the drum of the Downy to be less than 2 seconds in length and = often about 10 seconds apart or less. There can be an overlap in these = time measurements between Downy and Hairy but they appear to be hold up = when averaged over a few minutes of listening. > =20 > The drumming of Northern Flickers is very similar to Hairy Woodpecker = but the Flicker makes so many other vocalizations between drums that it = is easy to identify. > =20 > Pileated Woodpecker is also similar to Hairy Woodpecker but has a = distinct crescendo in the drum that is easy to pick out once you know = what you are listening for. > =20 > Yellow-bellied Sapsucker can be distinguished by its slow, stuttering = drum, tapping out Morse code to another Sapsucker. > =20 > Black-backed Woodpecker, American Three-toed Woodpecker, and = Red-bellied Woodpecker I haven=92t yet heard drumming in Nova Scotia. > =20 > =20 --Apple-Mail-30--621235116 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=windows-1252 <html><head><base href=3D"x-msg://168/"></head><body style=3D"word-wrap: = break-word; -webkit-nbsp-mode: space; -webkit-line-break: = after-white-space; ">Hi John (et al),<div><br></div><div>These are handy = tips about woodpecker drumming, since I always end up noting heard drums = as woodpecker sp, unless it's the especially distinctive drum of a = sapsucker.</div><div><br></div><div>There's more tips, with sounds and = spectrograms for comparison, <a = href=3D"http://goo.gl/XcBw0">here</a>. The only one of our regular = woodpeckers that's missing is Black-backed, whose drum taps speed up = (less dramatically than the sapsucker's slow down) and can be = heard <a = href=3D"http://goo.gl/UgugP">here</a>.</div><div><br></div><div>Cheers,</d= iv><div>Andy</div><div><br><div><div>On Mar 24, 2013, at 3:28 PM, John = Kearney wrote:</div><br class=3D"Apple-interchange-newline"><blockquote = type=3D"cite"><div lang=3D"EN-CA" link=3D"blue" vlink=3D"purple"><div = class=3D"WordSection1" style=3D"page: WordSection1; "><div = style=3D"margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; = margin-bottom: 0.0001pt; font-size: 10pt; font-family: 'Comic Sans MS'; = "><span lang=3D"EN-US" style=3D"font-size: 11pt; font-family: Calibri, = sans-serif; ">At this time of year it is common to hear a woodpecker = drumming deep in the forest. For a few years I=92ve been taking notes on = how one might identify a woodpecker by = drumming.<o:p></o:p></span></div><div style=3D"margin-top: 0cm; = margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; font-size: = 10pt; font-family: 'Comic Sans MS'; "><span lang=3D"EN-US" = style=3D"font-size: 11pt; font-family: Calibri, sans-serif; ">Here is = what I have found so far. Perhaps others have some observations they = would be willing to share.<o:p></o:p></span></div><div = style=3D"margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; = margin-bottom: 0.0001pt; font-size: 10pt; font-family: 'Comic Sans MS'; = "><span lang=3D"EN-US" style=3D"font-size: 11pt; font-family: Calibri, = sans-serif; "><o:p> </o:p></span></div><div style=3D"margin-top: = 0cm; margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; = font-size: 10pt; font-family: 'Comic Sans MS'; "><span lang=3D"EN-US" = style=3D"font-size: 11pt; font-family: Calibri, sans-serif; ">Hairy = Woodpeckers appears to be the species most often heard drumming in a = sustained way over fairly long intervals, especially in deep woods. Its = drum is about 2 seconds in length and usually well over 10 seconds = apart.<o:p></o:p></span></div><div style=3D"margin-top: 0cm; = margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; font-size: = 10pt; font-family: 'Comic Sans MS'; "><span lang=3D"EN-US" = style=3D"font-size: 11pt; font-family: Calibri, sans-serif; = "><o:p> </o:p></span></div><div style=3D"margin-top: 0cm; = margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; font-size: = 10pt; font-family: 'Comic Sans MS'; "><span lang=3D"EN-US" = style=3D"font-size: 11pt; font-family: Calibri, sans-serif; ">The Downy = Woodpecker is very similar to the Hairy Woodpecker. However I found the = drum of the Downy to be less than 2 seconds in length and often about 10 = seconds apart or less. There can be an overlap in these time = measurements between Downy and Hairy but they appear to be hold up when = averaged over a few minutes of listening.<o:p></o:p></span></div><div = style=3D"margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; = margin-bottom: 0.0001pt; font-size: 10pt; font-family: 'Comic Sans MS'; = "><span lang=3D"EN-US" style=3D"font-size: 11pt; font-family: Calibri, = sans-serif; "><o:p> </o:p></span></div><div style=3D"margin-top: = 0cm; margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; = font-size: 10pt; font-family: 'Comic Sans MS'; "><span lang=3D"EN-US" = style=3D"font-size: 11pt; font-family: Calibri, sans-serif; ">The = drumming of Northern Flickers is very similar to Hairy Woodpecker but = the Flicker makes so many other vocalizations between drums that it is = easy to identify.<o:p></o:p></span></div><div style=3D"margin-top: 0cm; = margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; font-size: = 10pt; font-family: 'Comic Sans MS'; "><span lang=3D"EN-US" = style=3D"font-size: 11pt; font-family: Calibri, sans-serif; =