Gentoo penguin (Pygoscelis papua) climbing penguin highway on Cuverville Island, Antarctica, Polar Regions

Gentoo penguins (Pygoscelis papua) use a penguin highway, Neko Harbour, Anvord Bay, Antarctic Peninsula mainland, Antarctica, Polar Regions

Gentoo penguins (Pygoscelis papua) walking on the penguin highway at Neko Harbour, Antarctica, Polar Regions

Gentoo penguin (Pygoscelis papua) uses penguin highway past a colony, Neko Harbour, Anvord Bay, Antarctic Peninsula, Antarctica, Polar Regions

Gentoo penguins (Pygoscelis papua) use a penguin highway, visitors use their own, Neko Harbour, Antarctic Peninsula, Antarctica, Polar Regions

Adult gentoo penguins (Pygoscelis papua), walking on the penguin highway on Booth Island, Antarctica, Polar Regions

Adult gentoo penguins (Pygoscelis papua), walking on the penguin highway on Booth Island, Antarctica, Polar Regions

Adult gentoo penguins (Pygoscelis papua), walking on penguin highways, Danco Island, Antarctica, Polar Regions

Adult gentoo penguins (Pygoscelis papua), walking on penguin highways, Neko Harbor, Antarctica, Polar Regions

Adult gentoo penguins (Pygoscelis papua), walking on the penguin highway on Cuverville Island, Antarctica, Polar Regions

Adult gentoo penguins (Pygoscelis papua), walking on the penguin highway on Cuverville Island, Antarctica, Polar Regions

Adult gentoo penguin (Pygoscelis papua), walking on a penguin highway on Cuverville Island, Antarctica, Polar Regions

Adult gentoo penguins (Pygoscelis papua) going and returning from sea to feed, Neko Harbour in Andvord Bay, Antarctica

Gentoo penguins (Pygoscelis papua) following "penguin highways" on Danco Island in Antarctica

Gentoo penguins (Pygoscelis papua) following "penguin highways" on Danco Island in Antarctica

Adult gentoo penguins (Pygoscelis papua) going and returning from sea to feed, Neko Harbour in Andvord Bay, Antarctica

Chinstrap penguin (Pygoscelis antarctica) 'highway' for those coming and going on shore, Deception Island, Antarctica, Southern Ocean.

Adult gentoo penguins (Pygoscelis papua) going and returning from sea to feed along well-worn "penguin highways" carved into the snow and ice in Neko Harbour in Andvord Bay, Antarctica

Gentoo penguins (Pygoscelis papua) following "penguin highways" on Danco Island in Antarctica

A VERY dirty (mud and feces) adult gentoo penguin (Pygoscelis papua) going and returning from sea to feed along well-worn "penguin highways" in Neko Harbour in Andvord Bay, Antarctica