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Eocene
Eocene
Temporal information
CreaturesSee full list below
LocationsGermany
Pakistan
Egypt
Russia
Time span55 to 34 million years ago
Part ofCenozoic
Chronological information
Previous period
Paleocene
Following period
Oligocene

The Eocene was an epoch in Earth's history. During that point in time, the birds had become the top predators on Earth since the absence of the dinosaurs. The mammal, though small during the early Eocene, eventually rose above the birds and diversified.

Environments and ecologyEdit

During the early Eocene, most of the Earth was surrounded in dense forests. In these large areas of vegetation, mammals were unable to grow large due to the limited space. However, the descendants of the dinosaurs - the birds - were able to take full advantage of the small inhabitants and quickly became the top predators.

However, as time progressed, the forests began to disappear, allowing the mammals to get larger. As a result, by the late Eocene, mammals had diversified enough to dominate the globe. The predatory birds were eventually out-competed by the larger, mammalian predators that had just evolved.

Even in the waters, the mammals reigned supreme. The large whales had evolved and became the brutes of the ocean. Even the bit in-between - the mangrove swamps - were populated by incredibly bizarre mammals like Moeritherium and Arsinoitherium.

However, at the end of the Eocene, the world's climate went into turmoil. As the continents shifted and closed the ancient Tethys ocean, the polar icecaps began to freeze over. The resulting extinction event was the largest since the Cretaceous extinction.

In Walking with BeastsEdit

New DawnEdit

The episode was set in Germany during the early Eocene and followed a female Leptictidium trying to protect her offspring.

Whale KillerEdit

This episode was set in the late Eocene and followed a female Basilosaurus trying to keep her unborn calf alive during the Eocene extinction.

In Sea MonstersEdit

Into the Jaws of DeathEdit

Nigel Marven traveled to the Eocene and encountered an Arsinoitherium in the Egyptian mangrove swamps. Later, he dove with a Basilosaurus and subsequently traveled forward in time to the Pliocene epoch.

CreaturesEdit

Behind the scenesEdit

List of appearancesEdit

Notes and referencesEdit

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