Ontario Breeding Bird Atlas

According to Atlas-2 (2001-05), this bird’s Ontario breeding range is highly concentrated in two areas -- the Carden and Napanee plains. Can you guess who it is?

#DYK the Ovenbird got its name from their domed ground nest that resembles an outdoor oven.

This map belongs to NASHVILLE WARBLER. This bird is a generalist, occupying a variety of habitats from the Carolinian Region to the Hudson and James Bay coasts. Which bird do you think will be the most abundant species detected during the upcoming Atlas-3?

Welcome to MYSTERY BIRD, the Ontario Breeding Bird Atlas edition! Each week, we’ll bring you a mystery species map showing results from the second Ontario Atlas (2001-05). Then, you guess which mystery bird the map belongs to in the comments. We’ll reveal the answer later in the week. These data maps from Ontario Atlas-2 provided an unprecedented understanding of the status of the province’s bird populations, helped identify trends, and are still being used in countless conservation applications. --- At 15,000,000 estimated individuals from point counts, this warbler was the most abundant species detected during Atlas-2 (2001-05)! Can you guess who it is?

Each week, we'll be presenting a "bird of the week". This week is the Yellow-rumped Warbler! #DYK while the overall range for Yellow-rumped Warbler didn’t change between Atlas-1 and Atlas-2, the nesting density shifted to the south, reflecting the location of maturing conifer plantations.