Horseshoe crabs are one of the strangest critters ever; they are ancient animals who have been on earth for 450 million years and have scarcely changed in all that time.
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Horseshoe crabs are one of the strangest critters ever; they are ancient animals who have been on earth for 450 million years and have scarcely changed in all that time.
Salamanders, newts and mudpuppies are amphibians, and they are all salamanders, but not all salamanders are newts or mudpuppies.
WXPR Field Notes
Horseshoe crabs are one of the strangest critters ever; they are ancient animals who have been on earth for 450 million years and have scarcely changed in all that time.
