For those who aren’t averse to spiders, a great link of links from Arthropod Ecology
Frog enthusiasts: follow @MyFrogCroaked (Jonathan Kolby) on Twitter. Lots of images of gorgeous tropical (New World so far) frogs and other amphibs.
Interested in coastal waters and the societies that live near/on them? Follow @hakaimagazine on Twitter.
Scientist and writer (of great books for children, among other things) Claire Eamer is another good one to follow on Twitter: @CEamer
Ocean circulation and its implications for climate change in Nature: News “The role of chaos in deep ocean turned upside down.”