Elephant herd crossing Mechi river - Indian Nepalese border

Blue wildebeest crossing water - Botswana, Africa

A lone Asian elephant crossing a dried out river bed, West Bengal

A lone Asian elephant crossing a dried out river bed, West Bengal

Grevy's zebra falling victim to crocodile ambush

Plains zebra migration crossing Mara river.

Wildebeest falling prey to a Nile crocodile in an attempt to cross the Mara river.

Nile crocodile catching blue wildebeest in the Mara river

Wildebeest struggling up a muddy slope out of the Mara river.

Wildebeest and zebra crossing the Mara river on their annual migration.

Wildebeest charging through the Mara river, as part of the annual migration.

Nile crocodile catching blue wildebeest in the Mara river