[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]
Re: 2nd toe (was Jeholornis)
>>The alula prevents 'stalling' during slow flight, by forming a slot that
directs air over the wings - useful in preventing crash landings. Its
presence or absence probably had little effect on fluttering between trees.<<
A clarifiction, not a counter-argument (as it seems we both agree on the major
I did not say "fluttering between trees", I said fluttering around _in_ trees.
That is, moving from one place in a tree to another by flying rather than
climbing. I'll say no more since this is just idle speculation, and I have no
hard date whatsoever to back it up, but I wonder how nessisary an alula is to
this sort of very short-range flight.
(sidenote: bats don't fly from one perch to another, they climb)