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them, I see 10 I kno I may have broached this previously but I wonder if some scrap electronic parts could be combined to produce an event (i.e. bird passing through) counter. Does someone on the list happen to have a hoard of electronic scrap and know-how (time to burn would help also) ? Yt, DW James W. Wolford wrote: > "Counting" is a ball-park guess by counting by tens approximately as > they descend into the chimney. Imagine the difficulty when there are > 2300, 500, 900!! (which we had once back in 1989? in Wolfville). > Counting less than 100 is quite easy, and even up to 300 or so when > they go in gradually. It's on nights when all the entries are at once > that you have a severe challenge! It also helps to have more than one > observer, and then take the average. > > Marg, I'd like to know more about what you said about the church in > Liverpool. Can you provide dates and more info' on how the access to > the chimney was prevented? > > > Thanks from Jim in Wolfville > > Begin forwarded message: > > >> From: "Margaret E.Millard" <mmillard@eastlink.ca >> <mailto:mmillard@eastlink.ca> > >> >> Date: May 22, 2008 10:32:21 AM ADT >> >> To: naturens@chebucto.ns.ca <mailto:naturens@chebucto.ns.ca> >> >> Subject: Re: [NatureNS] 81 chimney swifts in Wolfville May 20/08 >> >> Reply-To: naturens@chebucto.ns.ca <mailto:naturens@chebucto.ns.ca> >> >> >> I am so glad to hear about the swifts. I used to sit on the veranda >> rail at home and watch them circle around and around then funnel down >> into the chimney at the church behind my grandmother's house in >> Liverpool. When the chimney was made inaccessible, I was outraged and >> so disappointed even as a child. >> >> Question? How does one count that many birds? Is it close to an >> actual count, as you say here, or a guestimate from experience? I see >> four birds, I can count them, I see 10 I know I am recounting and >> then after that I sort of figure this many........mourning doves are >> the exception around here. They line up and lay around. >> >> http://margmillard.ca >> >> ----- Original Message ----- From: "James W. Wolford" < >> jimwolford@eastlink.ca <mailto:jimwolford@eastlink.ca> > >> >> To: <naturens@chebucto.ns.ca <mailto:naturens@chebucto.ns.ca> >;Sent: >> Wednesday, May 21, 2008 1:40 AM >> >> Subject: [NatureNS] 81 chimney swifts in Wolfville May 20/08 >> >> >> >>> MAY 20, 2008 - Harold Forsyth and I checked out the CHIMNEY SWIFTS at >>> >>> dusk at Wolfville's Robie Tufts Nature Centre, observing there from >>> >>> 8:30 to 9:05 p.m. (Sunset time 8:41). Again the swifts flew about >>> >>> for a long time before the substantial flock of 80 SWIFTS all went in >>> >>> at 9:00. Then a single laggard swift entered the chimney by itself >>> >>> at 9:03 after some very erratic manoeuvers in the air. Thus we had a >>> >>> seemingly accurate TOTAL OF 81 SWIFTS. If memory serves, and since >>> >>> we are early in the migration period, this number bodes well for >>> >>> having substantially more swifts this year than our best totals for >>> >>> one night of about 80 for the past two seasons (and Hurricane Wilma >>> >>> of late autumn of 2005 gets the blame. >>> >>> >>> Cheers from Jim in Wolfville, 542-9204 >>> >>> >> >
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