Detection of diseased animals by camera traps set by hunters and game-wardens. A. Marked enlargement of the lower jaw in a roe deer (Picture: Martin Wyler). B. First detection of sarcoptic mange in a wild boar in Switzerland (Picture: Alex Hofer). Notice the extended alopecia on the ventral parts of the body. C. Eurasian lynx affected by sarcoptic mange (Picture: Pierre Jordan). The emaciation and shaggy fur are obvious. This animal was subsequently captured, marked and treated. D. Same lynx as on picture C, six months after treatment (Picture: Pierre Jordan).