Lists:
CAN
Quiz - Question # 1
Photo: Diane Weismiller; 2010 Jul 13; Canada, British Columbia; Adult + Nest;
Song: Chirpy-voiced creaky song "tweer twee tisp tisp". Calls are similar to Tree Swallow's but more distinct and lack twittering quality.
Sound: Kevin J. Colver; May; AZ; Adult; Primary Sound;
