Most folks don't think about how the heat wave affects animals including our feathered friends. This grackle isn't singing it is panting to cool down. Put out a bowl of clean water and watch who comes to visit.
American Goldfinch on ox-eyed sunflower, Rondeau Provincial Park, October 6, 2018. Spinus tristis American Goldfinches breed later than most North American birds. They wait to nest until June or July when milkweed, thistle, and other plants have produced their fibrous seeds, which goldfinches incorporate into their nests and also feed their young. source - https://www.allaboutbirds.org/guide/American_Goldfinch/
Cerulean warbler, Rondeau Provincial Park, May 11, 2019.
This cerulean warbler put on a show, down low, for over 4 hours allowing a large number of birders an opportunity to see it without getting warbler neck.
Setophaga cerulea The female Cerulean Warbler has an unusual way of leaving a nest after sitting on it a while. Some people call it "bungee-jumping." She drops from the side of the nest, keeping her wings folded to her sides, and opens her wings to fly only when she is well below the nest. source - https://www.allaboutbirds.org/guide/Cerulean_Warbler/