MYN / Gil Wizen / Huge terrestrial flatworm (Bipalium kewense), Mindo, Ecuador, March. meetyourneighbours.net project

Konrad Wothe / Human head Louse on hair (Pediculus humanus capitis), Germany

David Perpinan / Burn from heat lights in a captive green iguana (Iguana iguana). Burns are common in captive reptiles. Small repro only

David Perpinan / Necrosis / tissue dying in hemipenis of captive garter snake (Thamnophis sirtalis) small repro only

Ashley Cooper / Maggots on a dead sheep

Jean E. Roche / Wild boar (Sus scrofa) liver with Common liver fluke (Fasciola hepatica). This picture was taken during a study into the ecology of healthy Tour du Valat, Camargue, France.

Pete Oxford / Marine pollution on beach near Sorong Fish Market, Bos Wesen Market, Sorong, West Papua, Indonesia

Emanuele Biggi / Great mormon (Papilio memnon) caterpillar mimicking a bird faeces, Captive, occurs in Asia.

Emanuele Biggi / Bird-dung frog (Theloderma asperum) captive, occurs in Asia.

Emanuele Biggi / Bird-dropping spider (Phrynarachne decipiens), this spider is a dung mimic itself, and also adds dead prey to web to increase dung like appearance, Poring Hot Springs, Sarawak, Borneo

Emanuele Biggi / Bird-dropping spider (Phrynarachne decipiens), this spider is a dung mimic itself, and also adds dead prey to web to increase dung like appearance, Poring Hot Springs, Sarawak, Borneo

Frederique Olivier / Black-footed rock wallabies (Petrogale lateralis) two sat at cave entrance and interacting, one regurgitating cud. Pilgonaman Gorge, Cape Range National Park, Western Australia.