-
sternum of
plotopterids differ significantly from
those of penguins, so
comparisons in
terms of
function may not be
entirely accurate.
Plotopterids are regarded...
- to
Procellariiformes has been suggested. Some
think the penguin-like
plotopterids (usually
considered relatives of
cormorants and anhingas) may actually...
-
American plotopterids; the largest, ?K. clarki, from the Late
Eocene to
Early Oligocene, only
being dwarfed by the
giant ****anese
plotopterids Hokkaidornis...
-
badly known,
based on
similarities found in then
undescribed ****anese
plotopterids. In 2020, a new
analysis of the
coracoid (KMNH VP 200003) from Hikoshima...
-
remains that the bird was a medium-sized
plotopterid,
smaller than the
large genera of ****anese
tonsalin plotopterids Copepteryx and Hokkaidornis, but larger...
-
indicate that the
latest and
smallest plotopterids had
costal habits, when the
larger and
older tonsalin plotopterids where pelagic feeders.
Elements of...
- diving,
occupying a
similar ecological niche to that of
penguins and
plotopterids.
Frequently placed into the
Anatinae are
these genera,
whose relationships...
- the tail in
terrestrial locomotion for the
modern penguins,
absent in
plotopterids. The 111.2 cm long
femur was
intermediate in its
stoutness between Tonsala...
-
cohabitation between plotopterids and
early cetaceans since the
Eocene goes
against an
earlier theory justifying the
extinction of the
plotopterids during the Miocene...
- they also fed on the carc****es of
plotopterids. The
extinction of Tonsala,
alongside that of all of the
plotopterids from the
Pacific Northwest during...