Boreal Chorus Frogs at Presqu'ile Info
This PDF lists "striped chorus frog" as abundant, I assume in April: https://www.friendsofpresquile.on.ca/photos/custom/pdf%20Files/Checklist%20to%20the%20Amphibians%20and%20Reptiles%20of%20Presqu.pdf
This blog post mentions that the chorus frogs are abundant in the "pannes" of presqu'ile starting around the first of april. https://www.ontarioparks.com/parksblog/pannes-of-presquile/
This post details what species of plants are found in the pannes and approximately where they are. https://www.friendsofpresquile.on.ca/habitat-and-flora.php
The plants listed as being found in the "wettest part" of the pannes are, in order of prominence, Cladium mariscoides, Juncus balticus, Lythrum salicaria, Salix sp., Viburnum lentago. Here is a map of those plants: https://www.inaturalist.org/taxa/map?taxa=116350,58347,61321,53453,54773#14/43.992/-77.713
This map marks the pannes as "NR1" https://files.ontario.ca/584.1.1en-map2-large.jpg
This facebook post mentions chorus frogs singing along the "beach 2 access road" on april 23 https://www.facebook.com/PresquilePP/photos/a.829400070505144/1503467239765087/?type=3&theater
