Rondeau Ric

Black-throated green warbler, Rondeau Provincial Park, Ontario, Canada, October 1, 2023. Fall plumage the black bib is much later than in the spring migration. Setophaga virens In areas where multiple species of warblers breed close together, Black-throated Green Warblers are generally dominant to Blackburnian Warblers, Yellow-rumped Warblers, and Northern Parulas, but subordinate to Magnolia Warblers.

at the pond, Sept 10, 2020, Rondeau Provincial Park, Ontario, Canada. Another fall warbler visiting the pond. Setophaga virens One male Black-throated Green Warbler was observed singing 466 songs in one hour.

The fall migration continued today with a number of warblers including this male Black-throated green. A Cooper's swooped through and the yard was quiet for a long time. Setophaga virens The male Black-throated Green Warbler sings persistently during the breeding season. One individual was observed singing 466 songs in one hour.