Evolution's Ultimate Endurance Predator

[00:00:01]This animal's heart is 50% [music] larger than it should be.

[00:00:05]That's not a defect. That's the weapon.

[00:00:07][music] Not built for speed, built for distance.

[00:00:12]While cheetahs sprint and collapse, African wild [music] dogs chase for hours.

[00:00:18]5 mi, 10 mi, until prey simply [music] runs out of body.

[00:00:23]Not faster, just incapable of stopping.

[00:00:27]That oversized heart pumps oxygenated blood >> [music] >> at sustained rates other canids physically cannot match.

[00:00:35]Wolves hunt in [music] short bursts.

[00:00:38]Wild dogs hunt in marathons.

[00:00:41]Success rate [music] 85%.

[00:00:44]Cardiologists studying wild dog hearts found cardiac [music] muscle density exceeding elite human endurance athletes.

[00:00:53]Subscribe for wildlife biology.

[00:00:56]Is endurance the most underrated weapon [music] in nature? Tell me below.