Hammerhead Sharks Up Close With Bertie Gregory

Hammerhead Sharks Up Close With Bertie Gregory

In Mexico's Pacific waters, Bertie Gregory goes in search of a predator, the hammerhead shark; once abundant here, hammerhead numbers have declined enough that encounters are now rare.

8:00 AM on National Geographic Canada

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Hammerhead Sharks Up Close With Bertie Gregory

In Mexico's Pacific waters, Bertie Gregory goes in search of a predator, the hammerhead shark; once abundant here, hammerhead numbers have declined enough that encounters are now rare.

11:00 PM on National Geographic Canada

Select your lineup for TV local listings

Hammerhead Sharks Up Close With Bertie Gregory

In Mexico's Pacific waters, Bertie Gregory goes in search of a predator, the hammerhead shark; once abundant here, hammerhead numbers have declined enough that encounters are now rare.

2:00 PM on National Geographic Canada

Select your lineup for TV local listings

Hammerhead Sharks Up Close With Bertie Gregory

In Mexico's Pacific waters, Bertie Gregory goes in search of a predator, the hammerhead shark; once abundant here, hammerhead numbers have declined enough that encounters are now rare.

8:00 PM on National Geographic Canada

Select your lineup for TV local listings