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Checklist S27703592

 
Location
Falls Twp. Community Park, Bucks County, Pennsylvania, US ( Map ) ( Hotspot )
Date and Effort
Sat Feb 20, 2016 7:58 AM
Protocol:
Traveling
Party Size:
4
Duration:
3 hour(s), 42 minute(s)
Distance:
2.61 mile(s)
Observers:
Bruce E Beans List , Sandy Bauers List , Stephen Kacir
Comments:
DVOC Field Trip to Falls Township Community Park
Observers: Bob Bauers, Sandy Bauers, Bruce Beans, Steve Kacir
Notes: Windy and cold, despite the 60F forecast for later in the day. Gulls were ever present; though, not roosting in huge numbers during the field trip as one might hope. Immediately after I closed this checklist, over a thousand gulls descended on the water, but no new species were observed (only the four species reported herein: Herring Gull, Ring-billed Gull, Great Black-backed Gull, Lesser Black-backed Gull). We made the best of the conditions by walking around Falls Township Lake and taking a brief side-trip along Wheatsheaf Road to view the water in what I presume is a quarry on the east side of the road. That quarry was holding at least 450 Common Mergansers, plus a few other species of waterfowl. By walking around the park, we had the opportunity to sample the gull flock as the birds dropped in to roost on the water. A much briefer visit might have provided only a fraction of a snapshot of the gull population, which at times was only a handful of birds and culminated in over a thousand gulls right after the field trip ended (of course!). Plus, we got the chance to intersect our paths with the local waterfowl and passerines, not to mention the raptors.


Submitted from eBird for iOS, version 1.1.5 Build 44
Species
34 species (+3 other taxa) total
160
4
15
Age & Sex
Juvenile Immature Adult Age Unknown
Male 1
Female 1
Sex Unknown
5
Mallard (Domestic type)
Age & Sex
Juvenile Immature Adult Age Unknown
Male 3
Female
Sex Unknown
7

One was on Falls Township Lake, and the rest were in the quarry east of Wheatsheaf Road.

Age & Sex
Juvenile Immature Adult Age Unknown
Male 2
Female 2
Sex Unknown
1

Adult male in the quarry east of Wheatsheaf Road.

Age & Sex
Juvenile Immature Adult Age Unknown
Male 1
Female
Sex Unknown
500

Counted by fives.
Count includes early flyover records seen while birding Falls Township Lake, and a count of 450 in the quarry east of Wheatsheaf Road. Flyby mergansers seen after the quarry count were assumed to be part of that large flock.

2

Both on Falls Township Lake.

3
14

Some on both bodies of water.

© Stephen Kacir

3

One seen poorly, and at least three heard calling back and forth. All appeared to be in the area of the first parking lot overlooking Falls Township Lake.

150

Counted by fives.
Ring-billed Gulls Video

© Stephen Kacir

350

Counted by tens.
Herring Gulls & Great Black-backed Gulls Video

© Stephen Kacir

5

Careful Count.
Adult: 1, Third Winter: 1

Age & Sex
Juvenile Immature Adult Age Unknown
Male
Female
Sex Unknown 1 1
43

Careful Count.
Herring Gulls & Great Black-backed Gulls Video

1

First winter male that flew in, and made an attempt to capture a Mourning Dove perched in a bush on the shore of Falls Township Lake.

Age & Sex
Juvenile Immature Adult Age Unknown
Male 1
Female
Sex Unknown
2

Adult 1, Immature 1

Adult Bald Eagle flew over Falls Township Lake, distressing the entire gull flock on two occasions. Presumably the same bird, but the number of eagles in the area is very high, and we could have easily been observing two different adults.

Immature Bald Eagle was roosting on a gravel bar in the waters of the quarry east of Wheatsheaf Road. Backlighting precluded an attempt to accurately age that bird, but I suspect it was at least two years old.

Age & Sex
Juvenile Immature Adult Age Unknown
Male
Female
Sex Unknown 1 1
2

One heard only, and an adult flying through the gull flock. Both at Falls Township Lake.

Age & Sex
Juvenile Immature Adult Age Unknown
Male
Female
Sex Unknown 1 1
1

Perched on a bush at the edge of Falls Township Lake.

Age & Sex
Juvenile Immature Adult Age Unknown
Male 1
Female
Sex Unknown
4
10
35
2
crow sp.
5

Part of a mixed flock foraging in a woodlot on the east side of Falls Township Lake.

4

One was part of a mixed flock foraging in a woodlot on the east side of Falls Township Lake.

7
1

Part of a mixed flock foraging in a woodlot on the east side of Falls Township Lake.

6
4

Includes two birds that were part of a mixed flock foraging in a woodlot on the east side of Falls Township Lake.

8

Part of a mixed flock foraging in a woodlot on the east side of Falls Township Lake.

15

Includes a few individuals that were part of a mixed flock foraging in a woodlot on the east side of Falls Township Lake.

3
5

At least one was part of a mixed flock foraging in a woodlot on the east side of Falls Township Lake.

1
4

Present with a mixed flock foraging in a woodlot on the east side of Falls Township Lake; although, the grackles were mainly perched at the top of the trees and appeared to not be actively foraging.

2

Part of a mixed flock foraging in a woodlot on the east side of Falls Township Lake.

5

Part of a mixed flock foraging in a woodlot on the east side of Falls Township Lake.

 

Are you submitting a complete checklist of the birds you were able to identify?

Yes