105
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.