curled inside its egg · All Facts

curled inside its egg
A Late Cretaceous oviraptorosaur embryo nicknamed Baby Yingliang was found curled inside its egg in a bird-like tucking posture — a pose once thought unique to modern birds.
SrciScience (Xing et al., 2021)

Next evidence →fin-like paddle tailSpinosaurus had a vertically expanded, fin-like paddle tail that generated more thrust in water than typical terrestrial dinosaur tails — direct evidence of aquatic propulsion.

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More in Dino

eutherian mammals and precocial birdsBone histology shows dinosaurs grew at accelerated rates versus living reptiles — large species reached rates comparable to eutherian mammals and precocial birds.
permineralization and mineral replacementMost dinosaur “bones” on display are fossils formed by permineralization and mineral replacement — original bone pores and tissue swapped or infilled by silica and other minerals.
22 metresBrachiosaurus had front legs longer than its hind legs — giving a giraffe-like upward tilt for browsing tall trees; NHM lists it at about 22 metres long.
chestnut to reddish-brownFossilized melanosomes in Jehol theropods show Sinosauropteryx's dark tail stripes were likely chestnut to reddish-brown — not unknown color forever.

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