Arkansas's New Year's rain of 5,000 dead birds followed by a smattering of dead fish and even more birds in Louisiana sparked some dramatic reactions. Suggested explanations on Twitter have ranged from pollution to the apocalypse.

The New York Times' Brian Stelter wonders if film studios have taken movie promotions to a new level.

Regarding the bird die-offs: have we ruled out "viral promotion for an apocalyptic movie" yet?less than a minute ago via web

Saskatchewan Federation of Labour President Larry Hubich predicts a more realistic cause of the animals' deaths.

Do ya think there's a chance this is environmental i.e. pollution?  Birds fall from sky again, this time in Louisiana than a minute ago via web

TV host Howie Mandel knows exactly what brought the dead birds down.

Why dead birds fell from sky: confirmed: dead birds can't flyless than a minute ago via Echofon

Patrick Gavin concedes that things could be worse.

On the plus side, falling birds are probably better than falling frogs than a minute ago via TweetDeck

Daniel Hicks wants some answers.

Why are the animals dying? Birds, fish are being 'mysteriously' wiped out #nature #environment #biodiversityless than a minute ago via Echofon

Atlantic Editor Scott Stossel thinks aliens might be to blame.

More birds dropping from the sky? Isn't this how the aliens usually give advance warning of an attack? than a minute ago via TweetDeck