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Front Length Front Width Hind Length Hind Width
Grizzly
Bear
4–5.5 in.
10.5–13.5 cm
4 –5.75 in.
10.5–14.5 cm
4.25–5.25 in
11–13 cm (without heel)
6.25 –8.25 in.
16.0–20.5 cm (with heel)
4 –5.75 in
10.5–14.5 cm
Black Bear
3.75 –5.25 in.
9.4–12.8 cm
3.75 –5.25 in.
9.8–13.1 cm
3.75–4.5 in.
9.5–11.1 cm (without heel)
5.5 –7.5 in.
14.5–19.1 cm (with heel)
3.5—5 in.
9.2–12.5 cm
Table 1. Track measurements for grizzly bears and black bears in the Pacific Northwest (source Moskowitz 2010).
Foraging Digs
Grizzly bears do much more digging than black bears and signs of them foraging for roots and bulbs in
subalpine wet meadows can be quite distinctive. Inspecting meadows. Digs are often characterized by
large clumps of sod that have been ripped up.
Photo 1. (Left) Foraging digs from a grizzly bear in a subalpine meadow
the Selkirk Mountains in southeastern British Columbia. Sign would
look similar in the equivalent habitat in the NCE. Photo by David
Moskowitz.
