Sunday, 15 February 2026

Couple of new species from North America

It's s sunday morning here in Europe, so it's good time to follow streams behind the pond i.e North America. Raccoons seem to visit in almost every bird feeding place, but there was also almost immediately many other species as well and couple of them were new to me. Eastern Cottontail (Sylvilagus floridanus), in North Carolina, was a bit challenging to identify, but when I noticed the rusty-red patch on the nape of the neck and noticeable white border on the ears, the species was clear. Species number 54 to me.  Another new species was the Virginia Opossum (Didelphis virginiana), also known as the North American opossum, easy to identify and species number 55 to me. Third one was really tricky. It was a mouse, or actually two of them, in South Bend, Indiana. In the beginning, the id was White-footed / Eastern Deer Mouse. Based on the forehead stripe and the Indiana location, it's likely a sub-adult White-footed, or one with a prominent dorsal stripe.While both Deer Mice and White-footed Mice can have have a darker "saddle" (a darker band of fur down the back), the White-footed mouse specifically tends to have more prominent darkening on the forehead and between the eyes. Also the behavior, i.e. the climbing skills fits to White-footed. And the trees around the feeding place fits well for White-footed Mouse, because Deer Mouse lives in open fields and prairies. So, all details support the identification of White-footed Deermouse (Peromyscus leucopus), species number 56 to me, and a rodent native to North America from southern Canada to the southwestern United States and Mexico.
























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