Here is my story. For the last 2-3 months when I go for a walk near the lake I sometimes see 1 or 2 terns flying around. At first I thought they were immature laughing gulls (since there are tons of them around here), but their call and flight was very different than the gulls - and they were smaller. When I looked in my bird books I realized they were terns. I have been trying for months to get a good picture of them so I could see which type of tern I have. They move so fast and are often too far away for me to get a decent shot.
When tropical storm Eduard came through a few weeks ago there was an abundance of them flying around and I took about 200 photos. After a lot of enhancing and blowing up on my computer, I have a few semi-decent photos that may be good enough for an ID. I posted them on my webshots account - since there are so many it would be impossible to put them all here. The majority of the pictures were taken in early August, though there are 1 or 2 from July (the really really blurry ones where the feet and beaks look orange). The last 5 or so were taken last week. I noticed that in July their beaks appeared orange, and in the later pictures they look black. So that has made it even harder to know what I have!! It could all be the same kind of tern in various stages of development and different plumage's..... I don't know, HELP!
Here is the link:
http://good-times.webshots.com/album/565583871RjDQsa
Common, Least, and Forster's are the only ones listed to occur in this area over summer or year round. I thought trying to ID their call would help, however they sound so similar that I can't really say for sure which it is; if I had to pick, I would say mine sounded most like the clip of Forster's on Cornell's site.
And I will leave you with a teaser picture.
CLOSED: Tern project
Pic above is Forster's, in immature or winter plumage, note the sharply defined black eye patch. That is also what you're describing above, "I noticed that in July their beaks appeared orange, and in the later pictures they look black", Forster's bills do change colour in that sequence.
In the webshots pics, so far I've seen mostly Forster's, several Sandwich (e.g. 'Picture 236' on 3rd page) and one Black Tern (left-hand bird in 'terns3' on 5th page, r.h. bird with it is Sandwich). Not been able to find any Least or Common pics, but I've not looked at every single pic yet. But quite a few of the pics aren't definitely identifiable due to blurring.
Resin
Wow I never dreamed I had so many different kinds!!!! That is amazing. I didn't even consider sandwich or black. I wonder if they had come ashore just that one day due to the tropical storm, because usually I only see one or two birds - and that day there were flocks of them everywhere! It was so amazing.
Yes I think you are definitely right on the sandwich terns. They are in non-breeding plumage, right? I don't know about the black tern... as much as that is what I'd like it to be, I think it was just a rock pigeon. The pigeons hang out underneath a bridge to the immediate left of that picture.
156 & 158 - Least? It's really blurry, I know...
54 & 155 - 1st winter common?
179 and 180 - common or forsters?
188 - sandwhich?
189 through 197 - common or forsters?
198 & 200 - sandwich (non breeding) or forsters (nonbreeding)
Ok I am going cross-eyed looking at all these. I have to stop for now. LOL
If it's easier, you may just be able to put a comment on the photos instead of here. I gotta go to sleep now - it's 1 am and I have to be up at 5!! Dang terns are making me lose sleep. I will probably dream about them haha :)
PS thanks for your help! I know it's a lot.
about the black tern... as much as that is what I'd like it to be, I think it was just a rock pigeon
Yep, I fear you're right!! Bad cock-up on my part! But do look out for Black Terns on passage, by now they'll be in winter plumage (mostly white with grey wings).
156: yep, Least. Can't tell on 158, too blurry.
54 & 155. Can't tell for 100% on 155; can't find pic 54, which page is it on? Or is it a typo for 154?
179 and 180. Forster's.
188. Probably Forster's, but not 100% definite.
189-197. Not 100% sure
198. Forster's; 200 too blurry
Resin
oops I did mean 154
Yay! So I have confirmed Forsters, least, and sandwich. No definite common. That's pretty good!!
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