Information
1. ‘Zree’, ‘Zweew’, and ‘Zhree’ Calls, Song and Disjunct Song. Mont-Tremblant National Park, QC, 46°19’15.4″N 74°33’22.2″W. March 21, 2018. 7:30AM.
2. Gaspesie National Park, QC, 48°58’08.4″N 65°59’31.2″W. July 20, 2017. morning.

Spectrograms

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Photo by Cephas (CC BY-SA)