- O'Connor, J.; Martin, L.D.; Chiappe, L.M. (2006). "The
first Mesozoic heterodactyl bird from China". Acta
Geologica Sinica. 80 (5): 631–635. Anderson, Christopher...
- from fish fins via
amphibian ancestors. In
birds with
anisodactyl or
heterodactyl feet, the
hallux is
opposed or
directed backwards and
allows for grasping...
- (4) back and forth.
Heterodactyl: two toes in
front (3, 4) and two in back (2, 1) – the
inner front toe (2) is reversed;
heterodactyl arrangement only exists...
- O'Connor, J., Martin, L.D. and Chiappe, L.M. (2006). "The
first Mesozoic heterodactyl bird from China." Acta
Geologica Sinica, 80(5): 631-635. "我国首位"太空人"杨利伟被授予少将军衔(图)"...
-
distinctive male and
female plumage. They are the only type of
animal with a
heterodactyl toe arrangement. They nest in
holes dug into
trees or
termite nests,...
- People's
Republic of China. It is the
first known Mesozoic bird with
heterodactyl feet
specifically adapted for climbing, and was
probably among the most...
- less
extensive fusion between the two forward-facing toes of
their heterodactyl foot,
broad tails with
distinctly convex (rather than
straight or concave)...
-
pectoral girdle. Birds' feet are
classified as anisodactyl, zygodactyl,
heterodactyl,
syndactyl or pamprodactyl.
Anisodactyl is the most
common arrangement...
- Cretaceous, Aptian) China Was well-adapted for
climbing due to its
heterodactyl feet, like
those of a
trogon Dunhuangia 2015
Xiagou Formation (Early...
- bluish. The
nostrils are
covered by
tufts of filoplumes. The feet are
heterodactyl, a
feature unique to the trogons, with the
digits I and II
facing back...
