Track Large, hindfoot human like but more “flatfooted”, forefoot print resembles front portion of human footprint, impression of heelpad of forefoot only registers in mud and soft sand. All 5 toes print although innermost (smallest toe) may not register. Forefoot claws usually longer than toes, and with long, relatively straight forefoot claws farther ahead of toe pads; hindfoot claws register only occasionally. Hindprint of large Grizzly may be 10–12" (250–300 mm) long and 7–8" (175–200 mm) wide in front; foreprint often as wide, about half as long. In soft mud, tracks may be larger. Even on hard ground, Alaskan Brown Bears often leave bigger prints, with hind tracks more than 16" (400 mm) long, 10 1/2" (265 mm) wide, and sunk 2" (50 mm) deep. Stride averages 24" (600 mm); may be 8–9' (2.4–2.75 m) during a bounding run.
Bear tracks, because of their size and shape are distinctive. Field analysis usually concerns determining whether the tracks were made by Black or Grizzly Bears in regions where the two overlap. The main difference between the two is size, although there is some overlap, particularly between subadult Grizzlies and adult Black Bears. Primary difference should be claw length; distance between front of any toe and tip of claw (claw length) should be compared to toe length. Claw length greater than toe length in Grizzly. Grizzly tracks usually show less space between toes than those of Black Bear. Black Bear toes are usually arranged in more of an arc than those of Grizzlies.
Sign Feeding signs: Shallowly dug depression and high, loose mound of branches, earth, or natural debris heaped over it may conceal cache of carrion or a kill. Beware of this sign, for a bear will not be far away. Also, overturned rocks, torn-up berry patches, and raggedly torn logs. Large, gaping pits indicate that Grizzlies have dug for rodents.
Trees and other signs: Girdled, bark-stripped, clawed, and bitten “bear trees,” with largest tooth marks higher than 6' (2 m) and claw slashes perhaps twice as high (marks higher than those made by Black Bears). Hair tufts on trees, which may be polished from rubbing over several seasons. Wide, deep snowslide occasionally gouged by Grizzly sliding down short incline on its haunches.
Bed: Usually in thickets, oval depression about 1' (300 mm) deep, 3' (900 mm) wide, 4' (1.2 m) long, matted with leaves, needles, or small boughs.
Scat: Usually cylindrical, often more than 2" (50 mm) wide, possibly showing animal hair, vegetation fibers, or husks. May be rounded, or massed in areas where vegetation is the primary food.
Trails: Trampled in tall grass and marked by deep depressions; may undulate.