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Providing evidence to improve practice

Individual study: Successful release of a wild Wolf Canis lupus, following treatment for a leg injury

Published source details

Thiel R.P. (2000) Successful release of a wild Wolf Canis lupus, following treatment for a leg injury. The Canadian Field-Naturalist, 114, 317-319


This study is summarised as evidence for the intervention(s) shown on the right. The icon shows which synopsis it is relevant to.

Rehabilitate injured, sick or weak mammals Terrestrial Mammal Conservation

A study in 1995–1999 in a forest and wetland site in Wisconsin, USA (Thiel 2000) found that a gray wolf Canis lupus treated for a leg injury subsequently survived in the wild for at least 4.5 years. The young adult (>1 year) male wolf sustained torn ligaments and an elbow dislocation to a front leg, following capture in a leg-hold trap on 21 May 1995. The dislocation was repaired using artificial ligaments. The wolf was transferred to a holding pen, but escaped on 23 May 1995. Roadkill deer were supplied for six months following the animal’s escape. The wolf was monitored primarily by locating tracks, and was still alive on 24 September 1999. The escape site was a 36-km2 wildlife area, enclosed in a 3-m high deer-proof fence. No other wolves were present at the time of escape though two subsequently entered and the three were observed travelling together.

(Summarised by Nick Littlewood)