Ravens

'... the use of declarative gestures is not restricted to the primate lineage...'

-- The use of referential gestures in ravens (Corvus corax) in the wild

Spring carnival

Deep Sea News features Carnival of the Blue 23, with delights such as a swim with pteropods, the secret life of a seahorse and a not quite infinite zoo in the palm of a hand. Also a post on whether we should let the whales die:

Is action alone enough or should we be accountable for producing results from action?

Dodo globe

Seed magazine posts crib sheet on extinction, and doesn't do a bad job given the tiny space.

Bottom left of the sheet is a map of 'predicted extinction hotspots'. It's a fair start (though with plenty of scope for improvement: definitions, timeframe... and why, for example, is the New World Arctic littoral highlighted but not that of the Old World?)

This may be a foolish question but what other more detailed/better versions of a global map of likely species extinctions already exist (e.g. at Google Earth)?

Is there a dynamic 'burning embers'-type graphic for the fate of so many beings?

A river choked with plastic, greater Manila.