Pliosaurus funkei. by Frank-Lode Pliosaurus does not sing, hum, moan, sigh, hiss, or snarl. It does

Pliosaurus funkei.byFrank-Lode

Pliosaurus does not sing, hum, moan, sigh, hiss, or snarl. It does not roar, groan, whistle, or bark. The only sound prey can hear to know of its approach is the droning thunder of its steady heartbeat.