Date: 1/4/25 6:51 am From: Paul Anderson <fishoak...> Subject: Re: [cayugabirds-l] Christmas Bird Count spreadsheet
Thanks Ken!
The area 6 cormorant was my observation - it was alone at the channel that
runs behind Wegmans just north of the Cecil Malone Drive bridge, seen
around noon.
-Paul
On Sat, Jan 4, 2025 at 1:02 AM Kenneth V. Rosenberg <kvr2...>
wrote:
> Hi Paul, and everyone
>
>
>
> Thanks for compiling the CBC for another year – pretty amazing tally given
> the brutal weather!
>
>
>
> There are some obvious adjustments to the waterbirds at the south end of
> Cayuga Lake – sorry we weren’t able to coordinate that more in the field
> this year.
>
> 1. There are 8 Double-crested Cormorants on the lake. They were on the
> jetty most of the day (counted by parties in 7 and 8) and we watched them
> go to roost on the snag in the water off Stewart Park. I don’t know where
> the single bird was in Area 6, so it’s possible there were 9 total.
> 2. Same with Coots – there is a single large raft in the SE corner of
> the lake, visible from Stewart Park and East Shore Park. Unless Kevin had
> additional birds to the north, I would go with the highest single count,
> which was 186 birds.
> 3. Some of the other waterfowl are clearly duplicates, but harder to
> adjust accurately. I suspect Common Merganser is an overcount. There was a
> raft that gathered at dusk off Stewart Park, with birds coming in from the
> Inlet to join them. Highest single count was 95 birds. I don’t know if
> birds also roosted on inland lakes, but I suspect this was most of the
> birds in the count circle.
> 4. Bald Eagle – you’d have to ask everyone the approximate time and
> age of all birds seen, as it is almost certain that the same individuals
> were counted by multiple parties.
> 5. All the gulls at the compost piles come in to roost on the lake and
> were likely counted in the late afternoon at Stewart Park. So, could
> potentially adjust numbers down, especially Herring Gull.
> 6. Canada Goose and Mallards are also probably overcounted, but I
> couldn’t suggest any specific adjustments (Unless we just want to go with
> afternoon counts from Area VIII, since birds come in from all over – but I
> don’t think we usually do that).
>
>
>
> All for now,
>
>
>
> Ken
>
>
>
> Ken Rosenberg (he/him/his)
>
> Applied Conservation Scientist, Retired
>
> Cornell Lab of Ornithology
>
> <Kvr2...>
>
> Cell: 607-342-4594
>
>
>
>
>
> *From: *<bounce-128554259-3493957...> <
> <bounce-128554259-3493957...> on behalf of Paul Anderson <
> <fishoak...>
> *Date: *Friday, January 3, 2025 at 9:12 PM
> *To: *CAYUGABIRDS-L <CAYUGABIRDS-L...>
> *Subject: *[cayugabirds-l] Christmas Bird Count spreadsheet
>
> FYI, here's the link to the 2025 count spreadsheet:
> https://docs.google.com/spreadsheets/d/1Lry_LYPTgPD-bZ6JV4bSIUzxJPl-GPsi1dV32CJ-Srs/edit?usp=sharing > .
>
>
>
> We just had the compilation meeting. Key takeaways included
>
> - 81 species so far
>
> - We smashed the record high for American Robins - 3689! The previous
> record high was 698 in 2002
>
> - Overall totals were low. The consensus is that the bad weather
> suppressed observations, despite effort similar to recent years.
>
> - We may have new records for Bald Eagle and Double-crested Cormorant.
> We'll know better once we've scrutinized the data.
>
> - House Sparrows may be on the decline. We had a record low of 129; the
> previous record low was 308 in 2019.
>
>
>
> Of course all this data is subject to change.
>
>
>
> Thanks to Jared Dawson for presenting.
>
>
>
> -Paul
>
>
>
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