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Dinosaurs: Male or Female?Dinosaur SizesDinosaur Life SpansDinosaur TeethDinosaur SkeletonToday's featured page: Aardvark Print-out



ZoomDinosaurs.com
DINOSAUR ANATOMY AND BEHAVIOR
General Anatomy Size Teeth Herds, Packs Offense Defense Reproduction, Nests & Eggs Blood Pressure
Skeleton Tails Brains Male or Female? Skin Diet Locomotion Life Span Hot or Cold Blooded?

DINOSAUR SKIN

COLOR
The largest of dinosaurs (like the giant sauropods) were probably neutral-colored or grey, like the largest animals today (eg. elephants). No one knows exactly what colors or patterns most of the dinosaurs were. One fossilized dinosaur find in 2009 included fossilized proto-feathers with microscopic cellular signs of color -- melanosomes that produce a reddish color.

Coloring and pattern are suited to the functions that an organism needs to survive. Dinosaurs that were hunted for their meat were likely camouflaged in order to hide them from their predators. Some were colored in a particular fashion to attract mates and some may even have been brightly colored to let predators know that they taste awful. Different colors are also important for temperature regulation; the different colors absorb (or reflect) sunlight as the animal tries to controls its body temperature.

TEXTURE
Fossilized skin impressions have only been found for a small fraction of the known dinosaurs. Not much is known about dinosaur skin and there is some debate among paleontologists about this topic. Most skin fossils show bumpy skin, not scaly skin; only the huge plant-eaters seem to have had scaly skin. Some of the bird-like dinosaurs had protofeathers (a type of modified scale).

A bumpy fossilized T. rex skin imprint was found by a 12 year old.

The ankylosaurids had bony plates fused into their leathery skin, which was excellent protection from predators.

INSULATION AND THE BEGINNING OF FLIGHT
Some bird-like dinosaurs had proto-feathers. Sme of these dinosaurs include:

ZoomDinosaurs.com
DINOSAUR ANATOMY AND BEHAVIOR
General Anatomy Size Teeth Herds, Packs Offense Defense Reproduction, Nests & Eggs Blood Pressure
Skeleton Tails Brains Male or Female? Skin Diet Locomotion Life Span Hot or Cold Blooded?


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