Thursday, 28 May 2015

Blue-blooded

A female Spiny Orb-weaver (Gasteracantha cancriformis) waiting for pray to land in her nest at Hugh Taylor Birch State Park in Fort Lauderdale, Florida.

Spiders are blue-blooded, literally. Their blood is pale blue in color due to the presence of haemocyanin dissolved in the lymph.
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