Tony Wu / Fin whale (Balaenoptera physalus) large vertebrate of the middle portion of exhumed carcass, Tokyo, Japan, November 2013

Tony Wu / Sperm whale (Physeter macrocephalus) vertebrae that was stranded on the small island in Vava'u, Tonga, Pacific Ocean

Enrique Lopez-Tapia / Gentoo penguins (Pygoscelis papua) and whale vertebra. Cuverville Island. Antarctic Peninsula, Antarctica

Enrique Lopez-Tapia / Gentoo penguins (Pygoscelis papua) walking past whale vertebra. Cuverville Island. Antarctic Peninsula, Antarctica.

Matthias Breiter / Gentoo Penguin (Pygoscelis papua) chicks and whale bones, Port Lockroy, Weincke Island, Antarctic Peninsula, Antarctica

Matthias Breiter / Gentoo Penguin (Pygoscelis papua) feeding on whale bone for calcium, Port Lockroy, Weincke Island, Antarctic Peninsula, Antarctica

Mark Carwardine / Whale vertebra from whaling, Port Lockroy, Antarctic

Bryan and Cherry Alexander / Whale vertebra at Mikkelsen Harbour, Trinity Island, Antarctica, February 2009.

Bryan and Cherry Alexander / Whale vertebra by the abandoned boat at Mikkelsen Harbour, Trinity Island, Antarctica, February 2009.

Bryan and Cherry Alexander / Tourist with whale vertebra at Mikkelsen Harbour, Trinity Island, Antarctica, February 2009.

John Cancalosi / Close-up of agatised Sauropod dinosaur vertebra, Utah, USA

John Cancalosi / Close-up of agatized Sauropod dinosaur vertebra, Utah, USA