Celaenia excavata

Bird dropping spider
Female bird dropping spider with egg sacs
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Arachnida
Order: Araneae
Infraorder: Araneomorphae
Family: Araneidae
Genus: Celaenia
Species:
C. excavata
Binomial name
Celaenia excavata
L. Koch, 1867

Celaenia excavata, the bird dropping spider of Australia and New Zealand, derives its name from mimicking bird droppings to avoid predators, mainly birds.