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asbio (version 1.9-7)

bear: Grizzly bear litter sizes

Description

Counts of grizzly bear (Ursus arctos) litter sizes from the Greater Yellowstone Ecosystem from 1973-2010.

Usage

data(bear)

Arguments

Format

A data frame with 38 observations on the following 5 variables.

Year

Year.

X1.cub

The number of litters with one cub.

X2.cub

The number of litters with two cubs.

X3.cub

The number of litters with three cubs.

X4.cub

The number of litters with four cubs.