Black-capped chickadee / Schwarzkopfmeise (Poecile atricapillus)
Wikipedia A-Z Animals Audubon AllAboutBirds Xeno-Canto NABU YouTubeBlack-capped chickadee. 2023-10-13 14:45:40 New England
Observations
Only documented observation: 2023-10-13Description
Classification: Genus Poecile (Poecile); Family Titmice (Paridae)Geography: This bird appears across the great seas in the following continents: Europe, North America.
General: I was surprised to see that the chickadees I saw in Maryland are not the same ones as in New England: Carolina and black-capped.Wikipedia says they 'most likely diverged about 2.5 million years ago'!