Ce sont les mots les plus souvent utilisés dans ce livre.
1985
1996
1997
1998
1999
2000
al
although
among
ancestors
another
appears
arboreal
archaeopteryx
archosaurs
arms
avepectoran
avepod
avian
basal
between
birdlike
birds
body
bones
chapter
characters
claws
climbing
complete
condition
cretaceous
developed
dinosaurs
distal
dromaeosaurs
early
especially
et
even
evidence
evolved
example
feathers
features
feduccia
fig
finger
first
fliers
flight
flightless
flying
form
fossil
found
group
hand
however
hypothesis
known
large
less
long
martin
may
neoflightless
number
part
paul
predatory
presence
present
probably
problem
process
pterosaurs
rather
relative
remains
see
seen
short
should
show
similar
skeletons
skull
small
specimens
strongly
tail
therefore
time
two
urvogel
view
whether
wing
yet