“The Connecticut Warbler is a strange rare bird ; a walker instead of a hopping bird ; a bird that is hard to find even when it is in the neighborhood ; a bird which comes north by one route and returns by another, and is almost lost to the world in both breeding and winter feeding seasons.”1
Information from the All About Birds website, https://www.allaboutbirds.org/guide/Connecticut_Warbler/maps-range, © Cornell Lab of Ornithology. Retrieved April 5, 2021.
Information from the Minnesota Department of Natural Resources website, https://www.dnr.state.mn.us/snas/peatlands.html, © 2021 Minnesota DNR. Retrieved April 5, 2021.
Kaufman, Kenn. n.d. Connecticut Warbler. Audubon. https://www.audubon.org/field-guide/bird/connecticut-warbler. Retrieved April 5, 2021.
National Geographic Society. (1999) National Geographic Field Guide to the Birds of North America. (3rd ed.). Washington D.C.: National Geographic Society.
1Pearson, T. Gilbert. Birds of America. Garden City Publishing Co. Inc., New York. 1936.