Divers off Cabo San Lucas, Mexico captured the only known footage showing a bird called a cormorant pulling remoras, or suckerfish, off a whale shark. ➡ Subscribe: bit.ly/NatGeoWILDSubscribe About Nat Geo Wild: Welcome to a place so wild, anything can happen. Nat Geo Wild is the network all about animals from National Geographic, where every story is an adventure and your imagination is allowed to run wild. Get More Nat Geo Wild: Official Site: bit.ly/NatGeoWILD Facebook: bit.ly/NGWFacebook Twitter: bit.ly/NGWTwitter Instagram: bit.ly/NGWInstagram Off the tip of Mexico's Baja California Peninsula, divers were surprised by a rare sight: a cormorant bird diving into the water and plucking a remora off the side of a whale shark. Cormorants always feed by diving for fish, but apparently, no one had ever filmed the birds fishing this way. The footage, filmed about six years ago, resurfaced recently online. Experts can't say if it’s a novel behavior or just something that hadn’t been recorded. Remoras, or suckerfish, attach themselves to large hosts, living off scraps. In small numbers, remoras are harmless to whale sharks—maybe even beneficial, removing pests. But lots of remoras could be a problem—slowing the shark down, costing energy gained by filter feeding. If a cormorant lightens the whale shark's load, it might be providing a service. Read "Bold Little Bird Dive-Bombs the World’s Largest Fish" news.nationalgeographic.com/2018/02/whale-shark-cormorant-bird-cleaning-suckerfish-remora-animals/ Watch a Diving Bird Pluck a Suckerfish Off a Shark | Nat Geo Wild youtu.be/36-2AfSwRbE Nat Geo Wild www.youtube.com/user/NatGeoWild

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