Tony, A very, VERY excellent post! Yes it would be **extremely** interesting to analyze which birders actually do (or do not) enter data into e-bird. The big one: What percentage of long-time (experienced) birders actual enter their data into e-bird? (I do not use e-bird, and never will.) Alan Wormington Leamington, Ontario "Birding is getting goofier and goofier by the day!" ---------- Forwarded Message ---------- From: tony gallucci <hurricanetg@xxxxxxxxxxx> To: Chuck Sexton <gcwarbler@xxxxxxxxxxxxx>, Tex Birds <texbirds@xxxxxxxxxxxxx> Cc: Rich Kostecke <rkost73@xxxxxxxxx> Subject: [texbirds] Re: Bushtits in eastern Edwards Plateau? Date: Thu, 20 Jun 2013 17:21:11 -0500 two quick impressions/questions about this: a) is there a bias about which particular checklists are reported to eBird and/or which BIRDERS report to eBird from the pre-eBird period . . . i could much envision a scenario in which the checklists that have been added in multi-year retrospect are ones more likely to have been trips recording Bushtits . . . that is -- unless you know a nest site location, Bushtit is never a bird you just go out and find . . . you run across them in the course of a day of birding, once in a while . . . and casual little jaunts rarely find them . . . since the advent of eBird, perhaps even more likely just the last couple of years (coinciding with drought), one is, i believe, more likely to eBird every little jaunt into the field, everything gets entered . . . however, pre-advent (meaning one has to dig through one's own personal trip lists and spend time entering old data), i believe it's more likely that the trips that get entered are going to be the major efforts, big trips, daylongs, the ones with a better chance of finding Bushtits, and folks are not likely to enter every little stop at the park on the way home, the times less likely to encounter Bushtits . . . and b) i would revise this statement (as follows, change in caps) "but what this *suggests* is that despite the increased observer coverage and reporting to eBird in recent years, Bushtits are definitely being encountered less often from observers who are afield AND WHO REPORT THEIR FINDINGS TO eBIRD." which is to say i have no way to measure frequency or occurrence or abundance on my trips, but that i have seen Bushtits a number of times this spring, at a rate i wouldn't consider unusual, but really can't honestly quantify . . . and i don't eBird . . . all my best, tony g Edit your Freelists account settings for TEXBIRDS at //www.freelists.org/list/texbirds Reposting of traffic from TEXBIRDS is prohibited without seeking permission from the List Owner Edit your Freelists account settings for TEXBIRDS at //www.freelists.org/list/texbirds Reposting of traffic from TEXBIRDS is prohibited without seeking permission from the List Owner