[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]

Re: solnhofen



In a message dated 5/2/01 12:35:17 PM EST, patrickmellor@hotmail.com writes:

<< >The wing stroke of modern
 birds is pretty much useless for anything else, so when a modern bird opts
 for secondary flightlessness, the wings usually vestigialize without function
 in its descendants.<:  
    *Titanis* (a large Phorusraschid) in early Pleistocene North America had 
highly derived wings with re-developed claws and large muscle attachment 
areas.   >>

Right. Please note the use of the word "usually" above.