On Fri, 2009-09-04 at 02:53 -0600, Ted Floyd wrote: > I should think that, given distant and fleeting views of such animals, > there's the potential to over-count birds by accidentally counting bats > and moths. Any pearls of wisdom on this one?
Ted, All the birds are flying the same direction while other critters have random flight paths. This eliminates most false alarms and is good enough except when the birds are a minority of your detections. -- David Mozurkewich Seabrook, MD USA -- NFC-L List Info: http://www.NortheastBirding.com/NFC_WELCOME http://www.NortheastBirding.com/NFC_RULES http://www.mail-archive.com/nfc-l@cornell.edu/maillist.html --