Emanuele Biggi / Bird-dropping spider (Phrynarachne decipiens) camouflaged on web on leaf to mimic bird faeces, Borneo.

Emanuele Biggi / Bird-dropping spider (Phrynarachne decipiens) feeding on fly, camouflaged on web on leaf to mimic bird faeces, Borneo.

Emanuele Biggi / Bird-dropping spider (Phrynarachne decipiens) camouflaged on web to look like bird faeces, Borneo.

Emanuele Biggi / Bird-dropping spider (Phrynarachne decipiens) camouflaged on web to look like bird faeces, Borneo.

Emanuele Biggi / Bird-dropping spider (Phrynarachne decipiens) camouflaged on web to look like bird faeces, Borneo.

Emanuele Biggi / Spider (Phrynarachne rugosa) with rough appearance resembling lichen, Andasibe, Madagascar

Emanuele Biggi / Spider (Phrynarachne rugosa) with rough appearance resembling lichen, Andasibe, Madagascar

Emanuele Biggi / Spider (Phrynarachne rugosa) Andasibe, Madagascar

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

Chien Lee / Bird-dropping Crab Spider (Phrynarachne decipiens) on silken pad it has made to resemble the stain of bird excrement to attract flies, Kubah National Park, Sarawak, Borneo, Malaysia

Chien Lee / Bird-dropping Crab Spider (Phrynarachne decipiens) mimicking scat both visually and by smell, Bau, Malaysia