Plesiosaurus most likely was solitary. With the exception of marine mammals, there aren't any truly social aquatic creatures. Some fish swim in schools, but there is no social structure. Marine reptiles aren't even known to swim in groups, much less to have social interaction.
The flamingo's "packs" are called "flocks". Like all birds of a feather, they flock together.
cheese
yes
It is spelled Plesiosaurus.
They hunt in packs and eat small fish that usually swim together in schools that number in the thousands.
a blueish gray color
at 16 the narwhal packs its sack and goes for a swim to buy the nearest iceberg..
Whales swim in packs, or pods, for social reasons such as cooperation in hunting, communication, and raising offspring. Swimming in groups helps them to find food more efficiently, protect each other from predators, and navigate the vast ocean.
Killer whales travel in packs like wolves and share many of the same hunting strategies.
It's very possible.
Nessie was a plesiosaurus. I should know I have a dinosaur encyclopedia.
You mean Plesiosaurus? Oh, nope, it's not a dinosaur at all, no dinosaurs back then could swim...or fly. "Flying Dinosaurs" are actually a different group of prehistoric reptiles. Same goes for "Swimming Dinosaurs."