I nearly lost my Pteranodon to these things. They make you or your mount lose stamina, and that happened right by a freaking Tyrannosaurus. Luckily I killed them and got away. This same thing happened when I was taking home an Argentavis I tamed. These things attacked my Pteranodon, and I had to make an emergency landing in the Redwood Forest. I got away, luckily.

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