Seasonal Report - Fall 2021
Lycoming County Fall 2021 Summary
In total, 192 species were reported in Lycoming County during the fall.
Notable Observations
Observer abbreviations include: Bobby Brown (BB — county compiler), Dan Brauning (DanB), Bob Brown (BoB), Deb Brown (DeB), Rebecca Brown (RB), Eric Hartshaw (EH), Andy Keister (AK), Brett Matlock (BM), Rhiannon Summers (RS)
m. obs. = many observers
Waterfowl
A White-winged Scoter was at Rose Valley Lake on 11/28 (BB).
Shorebirds
An American Golden-Plover was in Nisbet on 10/4 (BB, DeB, BoB, et al.), providing the third Lycoming County record of that species. Semipalmated Plovers were also reported in Nisbet a number of times during September (m.obs.), and one was at Canfield Island on 9/1 (BB, DeB).
A Dunlin was in Nisbet 9/15-19 (BB, et al.). A Baird's Sandpiper was in Nisbet on 9/11 (BB, DeB, RB, et al.) and 9/18 (BB, DeB, BoB), and 6 of them were present in the same field on 9/19 (BB, DeB). There is only a single previous record of that species in Lycoming County — from the same field in 2018. At least 2 Pectoral Sandpipers were in Nisbet 9/15-23 (AK, BB, et al.). Semipalmated Sandpipers were also in Nisbet 9/18-23 (BB, et al.), and one was at Mill St. on 9/1 during fallout conditions caused by the remnants of Hurricane Ida (BB).
Jaegers
A juvenile Parasitic Jaeger was spotted flying down the West Branch Susquehanna River at Greevy Boat Launch during fallout conditions caused by the remnants of Hurricane Ida on 9/1 (BB), providing the second Lycoming County record of that species.
Gulls and Terns
A young Bonaparte's Gull was at the Williamsport Dam on 9/8 (BB), which is a pretty unusual date for that species in Lycoming County. Others were also seen during their more expected migration window later in the fall.
Two Caspian Terns flew by the Williamsport Dam on 8/18 (DanB), and a number of them were seen at various spots along the West Branch Susquehanna River on 9/1 during the remnants of Hurricane Ida (BB, RB, DeB, BM). A Black Tern was at Rose Valley Lake on 8/12 (BB, RB).
Herons
An injured American Bittern was discovered in Hughesville on 10/17 (RS), and was sent to rehab. A Cattle Egret was at Rose Valley Lake on 11/12 (BB, et al.), which was the first reported in Lycoming County in over a decade.
Woodpeckers
An adult and juvenile Red-headed Woodpecker were seen together on 9/12 at SGL 252 (BB, AK).
Flycatchers
Two Olive-sided Flycatchers were at the Williamsport Water Authority on 8/29 (BB), and one was at Rose Valley Lake on 9/11 (BM). A Yellow-bellied Flycatcher was at the Williamsport Water Authority on 9/9 (BB, DeB).
Vireos
It was an above average fall season for Philadelphia Vireos, with at least nine reports.
Shrikes
A Northern Shrike was at Rose Valley Lake on 10/23 (BB, DeB), and was seen up through 10/31, when it was present with a second individual (BB). That other individual remained at the lake through the end of the season (m.obs.).
Wrens
A Marsh Wren was at the Robert Porter Allen Natural Area on 10/24 (BB).
Sparrows
At least one Grasshopper Sparrow remained at the Robert Porter Allen Natural Area as late as 10/17 (BB). A Clay-colored Sparrow was at the Robert Porter Allen Natural Area on 9/26 (BB, RB), providing the seventh Lycoming County record of that species.
White-throated Sparrow - 11/7/21, Robert Porter Allen Natural Area © Bobby Brown
Clay-colored Sparrow - 9/26/21, Robert Porter Allen Natural Area © Bobby Brown
Grasshopper Sparrow - 8/1/21, Robert Porter Allen Natural Area © Bobby Brown
Lincoln's Sparrow - 9/26/21, Robert Porter Allen Natural Area © Bobby Brown
Swamp Sparrow - 11/14/21, Robert Porter Allen Natural Area © Bobby Brown
American Tree Sparrow - 11/17/21, Robert Porter Allen Natural Area © Bobby Brown
Field Sparrow - 10/19/21, Robert Porter Allen Natural Area © Bobby Brown
Song Sparrow - 11/17/21, Robert Porter Allen Natural Area © Bobby Brown
White-crowned Sparrow - 9/25/21, Montoursville © Bobby Brown
Savannah Sparrow - 11/5/21, Robert Porter Allen Natural Area © Bobby Brown
Fox Sparrow - 11/7/21, Robert Porter Allen Natural Area © Bobby Brown
Chipping Sparrow - 10/1/21, Rose Valley Lake © Bobby Brown
Warblers
A Blue-winged Warbler was at SGL 252 on 8/8 and 8/15 (BB). An Orange-crowned Warbler was found at the Robert Porter Allen Natural Area on 10/2 (BB), and a Mourning Warbler was also present there that day.
29 species of warbler were reported during the fall:
- Ovenbird
- Louisiana Waterthrush
- Northern Waterthrush
- Blue-winged Warbler
- Black-and-white Warbler
- Tennessee Warbler
- Orange-crowned Warbler
- Nashville Warbler
- Mourning Warbler
- Common Yellowthroat
- Hooded Warbler
- American Redstart
- Cape May Warbler
- Northern Parula
- Magnolia Warbler
- Bay-breasted Warbler
- Blackburnian Warbler
- Yellow Warbler
- Chestnut-sided Warbler
- Blackpoll Warbler
- Black-throated Blue Warbler
- Palm Warbler
- Pine Warbler
- Yellow-rumped Warbler
- Yellow-throated Warbler
- Prairie Warbler
- Black-throated Green Warbler
- Canada Warbler
- Wilson's Warbler
Mourning Warbler - 10/2/21, Robert Porter Allen Natural Area © Bobby Brown
Common Yellowthroat - 9/4/21, Rose Valley Lake © Bobby Brown
Yellow-rumped Warbler - 10/1/21, Rose Valley Lake © Bobby Brown
Tennessee Warbler - 10/1/21, Rose Valley Lake © Bobby Brown
Blackpoll Warbler - 10/1/21, Rose Valley Lake © Bobby Brown
Hooded Warbler - 8/15/21, SGL 252 © Bobby Brown
Palm Warbler - 9/26/21, Robert Porter Allen Natural Area © Bobby Brown
Ovenbird - 8/15/21, SGL 252 © Bobby Brown
Orange-crowned Warbler - 10/2/21, Robert Porter Allen Natural Area © Bobby Brown
Bay-breasted Warbler - 9/2/21, Rose Valley Lake © Bobby Brown
Wilson's Warbler - 8/28/21, Rose Valley Lake © Bobby Brown
Cape May Warbler - 9/11/21, Rose Valley Lake © Bobby Brown
Blue-winged Warbler - 8/15/21, SGL 252 © Bobby Brown
Canada Warbler - 8/15/21, SGL 252 © Bobby Brown
Chestnut-sided Warbler - 8/15/21, SGL 252 © Bobby Brown
Black-throated Green Warbler - 8/15/21, SGL 252 © Bobby Brown
Additional Videos and Photos
Northern Shrike - 11/6/21, Rose Valley Lake © Bobby Brown
Tree Swallow - 9/24/21, Rose Valley Lake © Bobby Brown
Cedar Waxwing - 9/4/21, Rose Valley Lake © Bobby Brown
American Robin - 11/20/21, Rose Valley Lake © Bobby Brown
American Goldfinch - 9/4/21, Rose Valley Lake © Bobby Brown
European Starling - 8/15/21, Montoursville © Bobby Brown
Great Egret - 8/15/21, Williamsport Dam © Bobby Brown
Dark-eyed Junco - 11/6/21, Rose Valley Lake © Bobby Brown
Red-breasted Nuthatch - 11/25/21, Rose Valley Lake © Bobby Brown
Gray Catbird - 9/24/21, Rose Valley Lake © Bobby Brown
Black-capped Chickadee - 10/1/21, Rose Valley Lake © Bobby Brown
Common Nighthawk - 9/6/21, Mill St. © Bobby Brown
Green-winged Teal - 11/28/21, Rose Valley Lake © Bobby Brown
Red-tailed Hawk (abieticola) - 11/28/21, Nisbet © Bobby Brown
Yellow-bellied Sapsucker - 11/6/21, Rose Valley Lake © Bobby Brown
House Wren - 9/26/21, Robert Porter Allen Natural Area © Bobby Brown
Bonaparte's Gull - 11/13/21, Rose Valley Lake © Bobby Brown
Hermit Thrush - 11/28/21, Rose Valley Lake © Bobby Brown
Northern Flicker - 11/6/21, Rose Valley Lake © Bobby Brown
Cooper's Hawk - 11/7/21, Robert Porter Allen Natural Area © Bobby Brown
Blue-headed Vireo - 9/30/21, Rose Valley Lake © Bobby Brown
Lesser Yellowlegs - 9/10/21, Nisbet © Bobby Brown
Solitary Sandpiper - 9/4/21, Mill St. © Bobby Brown
Broad-winged Hawk - 9/28/21, Rte. 15 Overlook © Bobby Brown
Baird's Sandpiper - 9/19/21, Nisbet © Bobby Brown
Red-eyed Vireo - 9/4/21, Rose Valley Lake © Bobby Brown
Green Heron - 8/14/21, Mill St. © Bobby Brown
Caspian Tern - 9/1/21, Mill St. © Bobby Brown
Blue-gray Gnatcatcher - 8/15/21, SGL 252 © Bobby Brown
Black Tern - 8/12/21, Rose Valley Lake © Bobby Brown
Indigo Bunting - 8/14/21, Rose Valley Lake © Bobby Brown
Scarlet Tanager - 8/28/21, Rose Valley Lake © Bobby Brown
Eastern Towhee - 9/16/21, Rose Valley Lake © Bobby Brown
The Fall 2021 report was compiled and written by Bobby Brown. Our seasonal reports cover March-May (Spring), June and July (Summer), August-November (Fall) and December-February (Winter) to better line up with migration, breeding and wintering timings.