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Deinonychus Among Horsetails and Ferns

A swift Deinonychus appears in a prehistoric setting of horsetails and ferns.

An agile Deinonychus raising its sharp sickle claw among prehistoric ferns and horsetails.
Deinonychus Among Horsetails and Ferns
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Deinonychus among prehistoric plants

Deinonychus was a lightly built predatory dinosaur with a long tail, grasping hands, and a large curved claw on each foot. The scene places this agile hunter among horsetails and ferns, plants whose ancient relatives grew long before flowering plants became widespread. Its raised sickle claw highlights the feature for which dromaeosaurs are especially well known.

Surprising facts about Deinonychus

Scientists think Deinonychus was an active animal that relied on balance and quick movement while pursuing or restraining prey. Fossil evidence from related dinosaurs shows that members of its wider family had feathers, so Deinonychus is commonly reconstructed with feathering rather than bare, scaly skin. Horsetails spread through underground stems and still grow in damp places today.

Realistic colors for Deinonychus and its surroundings

  • Deinonychus feathers: the exact colors are unknown, but natural browns, rusty reds, black, and cream are plausible choices
  • Face and lower legs: muted tan, brown, or gray, as seen on many living ground birds
  • Sickle claws: dark brown, charcoal, or nearly black keratin
  • Fern fronds: fresh green, deep green, or yellow-green
  • Horsetail stems: green with darker joints and brownish tips
Questions and answers

Questions and answers

What was the large curved foot claw used for?
It probably helped Deinonychus grip and restrain prey. The claw was held above the ground while walking, which may have kept it sharp.
Was Deinonychus closely related to birds?
It belonged to the theropod group, which also includes the ancestors of modern birds. Features such as its lightweight body and birdlike limbs reflect that relationship.
Did Deinonychus live with ferns and horsetails?
Yes, both kinds of plants existed during its time. They formed part of the vegetation in the environments inhabited by dinosaurs.
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