Squirrel (Red)

Red squirrels can be easily distinguished from other North American tree squirrels by their smaller size, 28–35 cm (11–14 in) total length (including tail), territorial behavior, and reddish fur with a white underbelly (Steele, 1998).

References: Michael A. Steele, Tamiasciurus hudsonicus, Mammalian Species, Issue 586, 1 June 1998, Pages 1–9, https://doi.org/10.2307/3504443
Main Photo Credit: Red Squirrel by DaPuglet, 2017. https://www.flickr.com/photos/dapuglet/34064200972/. Licenced with CC BY-NC-SA 2.0, https://creativecommons.org/licenses/by-nc-sa/2.0.