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Bird Dung Spider
Cyrtarachne
-8.5033, 115.255
Field Notes
Description:
Light brown colour, about 25mm aprox. total large, with a large abdomen with 2 big brown spots.
Cyrtarachne is a species of orb-weaving spider which is commonly known as Bird-dropping Spider because this is what they seem, it's also believed to mimicry a snail as a form of protection from predators.
Habitat:
Spotted at Campuhan Ridge Walk, Ubud - Bali.
It aslo can be found in India (Kerala), Japan, China, Korea, Taiwan and Myanmar.
Notes:
Spiders of the genus Cyrtarachne are known to feed mainly on moths. Webs of these spiders have several unique characteristics: they are horizontal, have widely spaced spiral thread, the spiral thread has low shear joint (one end of a spiral connected to a radius breaks easily), and the viscid “spanning” threads are coated with a unique glue capable of adhering to moths.
Other source about this spider spotted at Bali Island:
http://www.baliwildlife.com/photogallerycategory/spiders/page/2/
Classification:
Phylum: Arthropoda
Class: Arachnida
Order: Araneae
Family: Araneidae
Genus: Cyrtarachne
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