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--001a11c2fb1c24a6e505036ce47a Content-Type: text/plain; charset=UTF-8 John, How far is the reach of your equipment, but in elevation and area? I realize "it depends" is going to be the answer, so how about for Savannah Sparrows (or any other bird you like) under ideal recording conditions. Randy _________________________________ RF Lauff Way in the boonies of Antigonish County, NS. On 19 September 2014 12:19, John Kearney <john.kearney@ns.sympatico.ca> wrote: > Hi All, > Nocturnal migration over Amherst was steady this week and facilitated by > good weather. Even when there were showers during the night, migration > continued before, after, and sometimes during the rain. Total number of > night flight calls was 1,210 almost the same as the total number the week > before (1, 231). There was, nonetheless, a change in the composition of the > flight from the previous week. In both weeks, warblers constituted 67% of > the flight calls recorded. Thrush calls decreased from 24% of the total to > 15% while sparrows increased from 4% to 13% of the total. > The most common call recorded was again Swainson's Thrush with 167. > Blackpoll Warbler followed with 153 calls and Magnolia Warbler with 134 > calls. Common Yellowthroats appear lower than normal for this time of year > at 68 calls. Chestnut-sided Warblers continue their unusually high numbers > with 44 calls recorded this week. An acoustic monitoring network in New > York > State has informed me that they too seem to have unusually high numbers of > Chestnut-sided Warblers. > The increase in sparrow calls was largely due to a doubling of Savannah > Sparrow calls over the previous week. Swainson's Thrushes declined from 284 > to 167 calls between last week and the current week. Hermit Thrushes > increased only slightly. Their peak normally occurs in the last week of > September and first week of October. > Rare or uncommon birds recorded this week were Vesper Sparrow (1) and > Blue-winged/Golden-winged Warbler (1). This is the third week in a row that > I have seen the spectrogram of this species complex in my recordings. I > have > not recorded it before this year so this appears to be exceptional. This > could be due to the fact that my recording equipment is closer than it has > ever been to the mainland of Canada, or that there is an increase in this > species this year (which appears to be the case for daytime sightings), or > that I am becoming more confident in my identification of species that are > both rare and hard to distinguish with certainty. > A summary list for the week is below. > John > > Species/ Calls > Swainson's Thrush 167 > Blackpoll Warbler 153 > Magnolia Warbler 134 > Savannah Sparrow 97 > Common Yellowthroat 68 > Unidentified warbler of the genus Setophaga 65 > Unidentified warbler 51 > Black-throated Green Warbler 48 > Chestnut-sided Warbler 44 > Ovenbird 44 > Bay-breasted Warbler 39 > White-throated Sparrow 32 > Unidentified songbird 27 > Yellow-rumped Warbler 27 > Northern Parula 22 > American Redstart 19 > Black-and-White Warbler 18 > Unidentified sparrow 16 > Hermit Thrush 16 > Mourning Warbler 16 > Blackburnian Warbler 12 > Nashville Warbler 12 > Unidentifed warbler of the genus Oreothlypis 12 > Lincoln's/Swamp Sparrow 10 > Killdeer 8 > Canada Goose 7 > American Woodcock 5 > Cape May Warbler 5 > Palm Warbler 4 > Tennessee Warbler 4 > Black-throated Blue Warbler 3 > Chipping Sparrow 3 > Greater Yellowlegs 3 > Rose-breasted Grosbeak 3 > Veery 3 > Wilson's Warbler 3 > Canada Warbler 2 > Golden-crowned Kinglet 2 > Unidentified bird 2 > Bobolink 1 > Golden-winged/Blue-winged Warbler 1 > Unidentified thrush 1 > Vesper Sparrow 1 > Total 1,210 > > > --001a11c2fb1c24a6e505036ce47a Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable <div dir=3D"ltr">John,<div><br></div><div>How far is the reach of your equi= pment, but in elevation and area? I realize "it depends" is going= to be the answer, so how about for Savannah Sparrows (or any other bird yo= u like) under ideal recording conditions.</div><div><br></div><div>Randy</d= iv></div><div class=3D"gmail_extra"><br clear=3D"all"><div>________________= _________________<br>RF Lauff<br>Way in the boonies of<br>Antigonish County= , NS.</div> <br><div class=3D"gmail_quote">On 19 September 2014 12:19, John Kearney <sp= an dir=3D"ltr"><<a href=3D"mailto:john.kearney@ns.sympatico.ca" target= =3D"_blank">john.kearney@ns.sympatico.ca</a>></span> wrote:<br><blockquo= te class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc so= lid;padding-left:1ex">Hi All,<br> Nocturnal migration over Amherst was steady this week and facilitated by<br= > good weather. Even when there were showers during the night, migration<br> continued before, after, and sometimes during the rain. Total number of<br> night flight calls was 1,210 almost the same as the total number the week<b= r> before (1, 231). There was, nonetheless, a change in the composition of the= <br> flight from the previous week. In both weeks, warblers constituted 67% of<b= r> the flight calls recorded. Thrush calls decreased from 24% of the total to<= br> 15% while sparrows increased from 4% to 13% of the total.<br> The most common call recorded was again Swainson's Thrush with 167.<br> Blackpoll Warbler followed with 153 calls and Magnolia Warbler with 134<br> calls. Common Yellowthroats appear lower than normal for this time of year<= br> at 68 calls. Chestnut-sided Warblers continue their unusually high numbers<= br> with 44 calls recorded this week. An acoustic monitoring network in New Yor= k<br> State has informed me that they too seem to have unusually high numbers of<= br> Chestnut-sided Warblers.<br> The increase in sparrow calls was largely due to a doubling of Savannah<br> Sparrow calls over the previous week. Swainson's Thrushes declined from= 284<br> to 167 calls between last week and the current week. Hermit Thrushes<br> increased only slightly. Their peak normally occurs in the last week of<br> September and first week of October.<br> Rare or uncommon birds recorded this week were Vesper Sparrow (1) and<br> Blue-winged/Golden-winged Warbler (1). This is the third week in a row that= <br> I have seen the spectrogram of this species complex in my recordings. I hav= e<br> not recorded it before this year so this appears to be exceptional. This<br= > could be due to the fact that my recording equipment is closer than it has<= br> ever been to the mainland of Canada, or that there is an increase in this<b= r> species this year (which appears to be the case for daytime sightings), or<= br> that I am becoming more confident in my identification of species that are<= br> both rare and hard to distinguish with certainty.<br> A summary list for the week is below.<br> John<br> <br> Species/=C2=A0 =C2=A0 =C2=A0 =C2=A0 Calls<br> Swainson's Thrush=C2=A0 =C2=A0 =C2=A0 =C2=A0167<br> Blackpoll Warbler=C2=A0 =C2=A0 =C2=A0 =C2=A0153<br> Magnolia Warbler=C2=A0 =C2=A0 =C2=A0 =C2=A0 134<br> Savannah Sparrow=C2=A0 =C2=A0 =C2=A0 =C2=A0 97<br> Common Yellowthroat=C2=A0 =C2=A0 =C2=A068<br> Unidentified warbler of the genus Setophaga=C2=A0 =C2=A0 =C2=A065<br> Unidentified warbler=C2=A0 =C2=A0 51<br> Black-throated Green Warbler=C2=A0 =C2=A0 48<br> Chestnut-sided Warbler=C2=A0 44<br> Ovenbird=C2=A0 =C2=A0 =C2=A0 =C2=A0 44<br> Bay-breasted Warbler=C2=A0 =C2=A0 39<br> White-throated Sparrow=C2=A0 32<br> Unidentified songbird=C2=A0 =C2=A027<br> Yellow-rumped Warbler=C2=A0 =C2=A027<br> Northern Parula 22<br> American Redstart=C2=A0 =C2=A0 =C2=A0 =C2=A019<br> Black-and-White Warbler 18<br> Unidentified sparrow=C2=A0 =C2=A0 16<br> Hermit Thrush=C2=A0 =C2=A016<br> Mourning Warbler=C2=A0 =C2=A0 =C2=A0 =C2=A0 16<br> Blackburnian Warbler=C2=A0 =C2=A0 12<br> Nashville Warbler=C2=A0 =C2=A0 =C2=A0 =C2=A012<br> Unidentifed warbler of the genus Oreothlypis=C2=A0 =C2=A0 12<br> Lincoln's/Swamp Sparrow 10<br> Killdeer=C2=A0 =C2=A0 =C2=A0 =C2=A0 8<br> Canada Goose=C2=A0 =C2=A0 7<br> American Woodcock=C2=A0 =C2=A0 =C2=A0 =C2=A05<br> Cape May Warbler=C2=A0 =C2=A0 =C2=A0 =C2=A0 5<br> Palm Warbler=C2=A0 =C2=A0 4<br> Tennessee Warbler=C2=A0 =C2=A0 =C2=A0 =C2=A04<br> Black-throated Blue Warbler=C2=A0 =C2=A0 =C2=A03<br> Chipping Sparrow=C2=A0 =C2=A0 =C2=A0 =C2=A0 3<br> Greater Yellowlegs=C2=A0 =C2=A0 =C2=A0 3<br> Rose-breasted Grosbeak=C2=A0 3<br> Veery=C2=A0 =C2=A03<br> Wilson's Warbler=C2=A0 =C2=A0 =C2=A0 =C2=A0 3<br> Canada Warbler=C2=A0 2<br> Golden-crowned Kinglet=C2=A0 2<br> Unidentified bird=C2=A0 =C2=A0 =C2=A0 =C2=A02<br> Bobolink=C2=A0 =C2=A0 =C2=A0 =C2=A0 1<br> Golden-winged/Blue-winged Warbler=C2=A0 =C2=A0 =C2=A0 =C2=A01<br> Unidentified thrush=C2=A0 =C2=A0 =C2=A01<br> Vesper Sparrow=C2=A0 1<br> Total=C2=A0 =C2=A01,210<br> <br> <br> </blockquote></div><br></div> --001a11c2fb1c24a6e505036ce47a--
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