[NatureNS] Identifying woodpeckers by drumming

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From: John Kearney <john.kearney@ns.sympatico.ca>
Date: Tue, 26 Mar 2013 07:18:56 -0300
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Thanks Andy for the link. It is very useful=20
John

Sent from my iPhone

On 2013-03-25, at 14:37, Andrew Horn <aghorn@DAL.CA> wrote:

> Hi John (et al),
>=20
> These are handy tips about woodpecker drumming, since I always end up noti=
ng heard drums as woodpecker sp, unless it's the especially distinctive drum=
 of a sapsucker.
>=20
> There's more tips, with sounds and spectrograms for comparison, here. The o=
nly one of our regular woodpeckers that's missing is Black-backed, whose dru=
m taps speed up (less dramatically than the sapsucker's slow down) and can b=
e heard here.
>=20
> Cheers,
> Andy
>=20
> On Mar 24, 2013, at 3:28 PM, John Kearney wrote:
>=20
>> At this time of year it is common to hear a woodpecker drumming deep in t=
he forest. For a few years I=E2=80=99ve been taking notes on how one might i=
dentify a woodpecker by drumming.
>> Here is what I have found so far. Perhaps others have some observations t=
hey 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 dru=
m 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 f=
ound the drum of the Downy to be less than 2 seconds in length and often abo=
ut 10 seconds apart or less. There can be an overlap in these time measureme=
nts 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 distinc=
t crescendo in the drum that is easy to pick out once you know what you are l=
istening for.
>> =20
>> Yellow-bellied Sapsucker can be distinguished by its slow, stuttering dru=
m, tapping out Morse code to another Sapsucker.
>> =20
>> Black-backed Woodpecker, American Three-toed Woodpecker, and Red-bellied W=
oodpecker I haven=E2=80=99t yet heard drumming in Nova Scotia.
>=20

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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto"><div>Thanks Andy for the link. It is very u=
seful&nbsp;</div><div>John<br><br>Sent from my iPhone</div><div><br>On 2013-=
03-25, at 14:37, Andrew Horn &lt;<a href=3D"mailto:aghorn@DAL.CA">aghorn@DAL=
.CA</a>&gt; wrote:<br><br></div><blockquote type=3D"cite"><div><base href=3D=
"x-msg://168/">Hi John (et al),<div><br></div><div>These are handy tips abou=
t woodpecker drumming, since I always end up noting heard drums as woodpecke=
r 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 compariso=
n,&nbsp;here. The only one of our regula=
r woodpeckers that's missing is Black-backed, whose drum taps speed up (less=
 dramatically than the sapsucker's slow down) and can be heard&nbsp;<a href=3D=
"http://goo.gl/UgugP">here</a>.</div><div><br></div><div>Cheers,</div><div>A=
ndy</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" s=
tyle=3D"page: WordSection1; "><div style=3D"margin-top: 0cm; margin-right: 0=
cm; 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-fami=
ly: Calibri, sans-serif; ">At this time of year it is common to hear a woodp=
ecker drumming deep in the forest. For a few years I=E2=80=99ve been taking n=
otes 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; marg=
in-bottom: 0.0001pt; font-size: 10pt; font-family: 'Comic Sans MS'; "><span l=
ang=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-siz=
e: 10pt; font-family: 'Comic Sans MS'; "><span lang=3D"EN-US" style=3D"font-=
size: 11pt; font-family: Calibri, sans-serif; "><o:p>&nbsp;</o:p></span></di=
v><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 la=
ng=3D"EN-US" style=3D"font-size: 11pt; font-family: Calibri, sans-serif; ">H=
airy Woodpeckers appears to be the species most often heard drumming in a su=
stained way over fairly long intervals, especially in deep woods. Its drum i=
s 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, sa=
ns-serif; "><o:p>&nbsp;</o:p></span></div><div style=3D"margin-top: 0cm; mar=
gin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; font-size: 10pt; f=
ont-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 t=
o the Hairy Woodpecker. However I found the drum of the Downy to be less tha=
n 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 appe=
ar 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: 0c=
m; 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-s=
erif; "><o:p>&nbsp;</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; f=
ont-family: Calibri, sans-serif; ">The drumming of Northern Flickers is very=
 similar to Hairy Woodpecker but the Flicker makes so many other vocalizatio=
ns between drums that it is easy to identify.<o:p></o:p></span></div><div st=
yle=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-U=
S" style=3D"font-size: 11pt; font-family: Calibri, sans-serif; "><o:p>&nbsp;=
</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 San=
s MS'; "><span lang=3D"EN-US" style=3D"font-size: 11pt; font-family: Calibri=
, sans-serif; ">Pileated Woodpecker is also similar to Hairy Woodpecker but h=
as a distinct crescendo in the drum that is easy to pick out once you know w=
hat you are listening for.<o:p></o:p></span></div><div style=3D"margin-top: 0=
cm; 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-si=
ze: 11pt; font-family: Calibri, sans-serif; "><o:p>&nbsp;</o:p></span></div>=
<div style=3D"margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; margin-b=
ottom: 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; ">Yel=
low-bellied Sapsucker can be distinguished by its slow, stuttering drum, tap=
ping out Morse code to another Sapsucker.<o:p></o:p></span></div><div style=3D=
"margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001=
pt; font-size: 10pt; font-family: 'Comic Sans MS'; "><span lang=3D"EN-US" st=
yle=3D"font-size: 11pt; font-family: Calibri, sans-serif; "><o:p>&nbsp;</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, san=
s-serif; ">Black-backed Woodpecker, American Three-toed Woodpecker, and Red-=
bellied Woodpecker I haven=E2=80=99t yet heard drumming in Nova Scotia.<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 San=
s MS'; "><span lang=3D"EN-US" style=3D"font-size: 11pt; font-family: Calibri=
, sans-serif; "><o:p>&nbsp;</o:p></span></div><div style=3D"margin-top: 0cm;=
 margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; font-size: 10=
pt; font-family: 'Comic Sans MS'; "><span lang=3D"EN-US"><o:p>&nbsp;</o:p></=
span></div></div></div></blockquote></div><br></div></div></blockquote></bod=
y></html>=

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