That's what it would seem to be at first glance - i.e. mammals that CAN'T fly, as opposed to those that can.

I'll check to see if I can find any references.

Good luck!

Sheila

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Note added at 2003-01-10 20:53:35 (GMT)
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I can\'t find any examples of \'avolador\' but \'flightless\' would certainly make sense in this context. Flightless mammals introduced by humans have certainly caused havoc in many places; take the role domestic cats have played in Australia, for example:


ABC Natural History Unit Online Forum - The Waterhole - [ Traduzca esta página ]
... and \"Despite the popular view that cats, both feral and domestic, pose a ... the cat
to be the single or even major cause of a species extinction or serious ...
www2b.abc.net.au/nature/forum/posts/topic57.shtm - 11k - En caché - Páginas similares

(4/2/2001) Researchers: Loss of Old-growth Forests, Non-native ... - [ Traduzca esta página ]
Researchers: Loss of Old-growth Forests, Non-native Predator Species Such as
Foxes, Cats Cause of Extinction of Mouse-like Brush-tailed Phascogales ...
eces.org/articles/static/9861876004120.shtml - 19k - En caché - Páginas similares


ECES Environmental News Article Archive - [ Traduzca esta página ]
... [ Abstract ]. (4/2/2001) Researchers: Loss of Old-growth Forests, Non-native Predator
Species Such as Foxes, Cats Cause of Extinction of Mouse-like Brush-tailed ...
eces.org/articles/archive/arc8.shtml - 35k - En caché - Páginas similares
[ Más resultados de eces.org ]

Invading Species as Agents of Extinction - [ Traduzca esta página ]
... Non-indigenous species (NIS) cause significant dollar ... of introductions, particularly
of rats and cats. ... Mechanisms Of Extinction By Invading Species: predation ...
www-personal.umich.edu/~dallan/nre220/outline7.htm - 7k - En caché - Páginas similares

IUCN - The World Conservation Union - International Biodiversity ... - [ Traduzca esta página ]
... In places like Australia, which had no native cats, wild domestic cats
are the probable cause of extinction of a number of native species. ...
www.iucn.org/biodiversityday/ - 12k - En caché - Páginas similares