Chestnut-sided Warbler, plate by John James Audubon
Audubon, Birds of America, plate 59
Warblers

Chestnut-sided Warbler

Setophaga pensylvanica
“While wandering the Willow-brook Trail (connector trail to Gull Crest Trail running back behind Cape Memory Care) a Chestnut-sided Warbler was spotted feeding a youngster.”
July 1, 2020 · Read the column
13columns
May 23, 2018first mention
Jul 1, 2026last mention

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In his words

Ten of the 13 passages, oldest first.

May 23, 2018

Sightings in order by frequency of spotting - Black-throated Green warbler, Pine warbler, Palm warbler, Myrtle warbler, American Yellow warbler, Northern Parula, Black and White warbler, American Redstart, Nashville warbler, Ovenbird (a warbler of the forest floor), Chestnut-sided warbler and Magnolia warbler!

Jul 3, 2019

Also, while wandering the Willow Brook Trail (connector trail to Gull Crest Trail running back behind Cape Memory Care) a Chestnut-sided Warbler was spotted feeding a juvenile.

May 20, 2020

And finally, a male Chestnut-sided Warbler and a male Magnolia Warbler were seen foraging around a clearing on our property.

Jul 1, 2020

While wandering the Willow-brook Trail (connector trail to Gull Crest Trail running back behind Cape Memory Care) a Chestnut-sided Warbler was spotted feeding a youngster.

Jun 2, 2021

Common Yellowthroats also showed up in huge numbers as did Black-throated blue Warblers, Chestnut-sided Warblers and American Redstarts.

Jun 30, 2021

Lastly on June 20 along the fringes of the town dump and Gull Crest, there were American Redstarts, Common Yellowthroats, Yellow Warblers and Chestnut-sided Warblers all vigorously defending their bushy fiefdoms through song.

Jun 29, 2022

Additionally, along the fringes of the town dump and Gull Crest there were American Redstarts, Common Yellowthroats, Yellow Warblers, and Chestnut-sided Warblers all vigorously defending their bushy fiefdoms through song.

Jul 10, 2022

The following day my son and I came across two more Red-breasted Nuthatches and a Chestnut-sided Warbler above the shelter at the Winnick Woods trailhead.

Aug 24, 2022

The surrounding pond shrubbery at sunset was teaming with Common Yellowthroats and Yellow Warblers and also included Chestnut-sided Warblers, Gray Catbirds and Eastern Kingbirds.

May 21, 2025

That afternoon a walk around Hinkley Park in South Portland with my family yielded a Northern House Wren, Black-and-white Warblers, Black-throated Green Warblers, three Northern Parulas, a Chestnut-sided Warbler and a pair of male American Restarts.

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Jun 18, 2025

Across the more interior intact sections of Cape Elizabeth like Gull Crest, Chestnut-sided Warblers, Black-throated Green Warblers, Ovenbirds and Pine Warblers are settling in as are Veerys.

Oct 1, 2025

The most common warbler hybrid is between Golden-winged and Blue-winged Warblers, and even three-way hybrids involving Chestnut-sided Warblers have been documented.

Jul 1, 2026

Lastly, on June 20, along the fringes of the town transfer station, Gull Crest, and CELT lands, Ovenbirds, American Redstarts, Common Yellowthroats, Yellow Warblers, and Chestnut-sided Warblers were all vigorously defending their leafy fiefdoms through song.