Charlie Summers / Adelie Penguin (Pygoscelis adeliae) carrying stolen rock from another nest in rookery, Peterman Island, Antarctica, November.

Nick Garbutt / Arctic tern (Sterna Paradisaea) hovering in flight over an iceberg.Peterman Island, Antarctic Peninsula, Antarctica. February.

Tui De Roy / Adelie Penguin (Pygoscelis adeliae) nesting colony on granite outcrop, Petermann Island, Antarctica

Kevin Schafer / Weddell Seal (Leptonychotes weddellii) portrait, Petermann Island, Antarctic Peninsula, Antarctica

Colin Monteath / Kayakers paddling beneath Mount Scott at entrance to Lemaire Channel near Petermann Island, Antarctic Peninsula, Antarctica

Colin Monteath / Kayakers paddling beneath Mount Scott at entrance to Lemaire Channel near Petermann Island, Antarctic Peninsula, Antarctica

Nick Garbutt / South Polar Skua (Stercorarius maccormicki). Peterman Island, Antarctic Peninsula, Antarctica. February.

Nick Garbutt / Gentoo Penguin (Pygoscelis papua) standing in the snow, Peterman Island, Antarctic Peninsula, Antarctica. February.

Nick Garbutt / Gentoo Penguin chick (Pygoscelis papua) calling, Peterman Island, Antarctic Peninsula, Antarctica. February.

Nick Garbutt / Gentoo Penguin (Pygoscelis papua) walking over snow covered ground, Peterman Island, Antarctic Peninsula, Antarctica. February.

Nick Garbutt / Two Gentoo Penguins (Pygoscelis papua) walking in snow, Peterman Island, Antarctic Peninsula, Antarctica. February.

Suzi Eszterhas / Weddell Seal (Leptonychotes weddellii) calling on iceberg, Petermann Island, Antarctic Peninsula, Antarctica