Distances Traveled

The average daily straight-line distances (average of all known 24-hour

moves) traveled by Wolf No. 10 was 3.6 miles (5.8 km). For Wolf No. 11

and her associates it was 5.8 miles (9.3 km) for the period before the

settled Phase of their movements. The daily summer straight-line

movements of an immature radioed female in Ontario ranged from 0.0 to

3.5 miles (5.6 km) per day and averaged 1.0 (1.6 km) per day (Kolenosky

and Johnston 1967). Mech and Frenzel (1971) found that the average daily

straight-line distance traveled in Minnesota by three lone wolves was

2.0, 1.0 and 2.9 miles (3.2, 1.6, and 4.6 km), and a pack of five

averaged 2.5 miles (4.0 km) straight-line distance per day. A pack of

eight wolves in Ontario traveled actual distances of 0.0 to 13.2 miles

(21.1 km) per day during winter with an average movement of 4.4 miles

(7.1 km) per day (Kolenosky 1972).

Thus distances moved by both lone Wolf No. 10 and the pack were greater

than the distances reported for lone wolves and packs in their native

range. In Harger's (1970) study of homing in black bears, he also found

increased movement by displaced animals.

There was a general reduction in distances moved by the pack in May and

June after the wolves had settled in Iron County (Fig. 19), compared

with their earlier exploratory movements (Fig. 24). The movements during

the Settled Phase were similar to those reported from the studies in

Ontario and Minnesota.

[Illustration: _Fig. 24.--Straight-line distances between consecutive

locations for (A) Wolves No. 11, 12, and 13, (B) Wolf No. 10. (Gaps

between data points represent periods when no data were obtained.

Because these periods varied, and because distance traveled is partly a

function of duration between locations, it is only valid to grossly

compare distances from one period to the next.)_]

An Experimental Translocation of the Eastern Timber Wolf · 第 61 / 72 题