Wow!

In an avian flight of epic proportions, a female bar-tailed godwit alighted from her Alaskan breeding ground and flew south 11,680 kilometers, nonstop, until she reached her winter home in New Zealand. Called E7 by the scientists who monitored her, she flew more than eight days without food, water or rest, on the longest direct flight by a bird ever documented, researchers report online October 21 in Proceedings of the Royal Society B. ...

Seven females, which typically have a wingspan of 30 to 40 centimeters, flew an average 10,153 kilometers over, at most, 9.4 days, uninterrupted. That’s the equivalent of flying from Los Angeles to London with 1,000 kilometers to spare.

(In Science News)

With performance like that, perhaps it's time to reinvestigate implementing RFC 1149: IP over Avian Carriers.