Re: possible role of echolocation in K-T survival

["Joe Moro" <morocom@email.msn.com>]

>     What an interesting question it is! It almost seems like dinosaurs
>no matter what the variety are, when they go into a nocturnal >existance,
are forced into it. The reasons could be many. In Aves, >the only nocturnal
birds ( caprimulgiforms, strigiformes, some swifts >) are related to each
other. Caprimulgiformes ( goatsuckers, >frogmouths, nightjars ) are
nocturnal and their descendents the >Strigiformes ( owls ) are also
nocturnal. However, some other >descendents, swifts, only a few live in the
dark, and their near >relatives ( possible descendents ) the hummingbirds
are like all >other birds. This is very strange.

Goatsuckers?
Or should we say Chupacabra???
The 4-foot long mysterious vampire from Puerto Rico. I thought it was a
little alien or something when I first saw one.