. { l( g& q' C" S以下是从有关文献摘录的wildlife identification " O4 ~5 w5 ?: l ' e$ t- s& X- yGrizzly bears are usually brown although their color may vary from blonde to black with a grizzled "silver tip" appearance. The pronounced shoulder hump, large muscular body and massive head with its dished, concave profile are all distinctive characteristics. 9 n5 t( ]- `3 g' ~. ~ 2 l5 D7 ~3 X: _2 NBlack bears usually have a deep glossy black coat, but other color variations including cinnamon and brown occur. The smaller size, absence of a shoulder hump and straight or slightly bulging facial profile help to distinguish black bears from the grizzly.