○○○dredge⪢⪢
They dredge mud from the pond bottom to seal the dam. Each pond trap several inches of sediment every year. So there's plenty of it.
http://qindex.info/i.php?x=15764
○○○courtesy of⪢⪢
The elephant seal can lash out immense amounts of damage courtesy of its enormous neck muscles that propel their jaws like a sledge hammer.
http://qindex.info/i.php?x=19769
•seal & sea lion
Their rear flippers can be rotated forward and their front flippers are really strong so they can stand up and walk on all four flippers on land.
http://qindex.info/i.php?x=6929
• seal & sea lion
• sea lion
