Ashley Cooper / A funeral pyre burning animals infected with Foot and Mouth Disease near Longtown in Cumbria, England. UK. 2001.

Ashley Cooper / Lorry is disinfected after dropping off slaughtered carcasses of animals with Foot and Mouth Desease at the mass grave site at Orton in Cumbria, England, UK. 2001.

Ashley Cooper / Dead Sheep - culled during foot and mouth disease outbreak in North Cumbria, UK. 2001

Juergen Freund / Paralysis tick (Ixodes holocyclus) responsible for paralysing Spectacled flying foxes (Pteropus conspicillatus) North Queensland, Australia

Juergen Freund / Tubbataha Reef rangers collecting thousands of Crown-of-thorns starfish (Acanthaster planci), an invasive species that has spread in the lagoon in epidemic proportions. Tubbataha Reef National Marine...

Juergen Freund / Crown-of-thorns starfish (Acanthaster planci) in the reef. Tubbataha Reef rangers collect thousands of these invasive animals which have spread in the lagoon in epidemic proportions. Tubbataha Reef Na...

Juergen Freund / Crown-of-thorns starfish (Acanthaster planci) collected by a snorkeler. Tubbataha Reef rangers collect thousands of these invasive animals which have spread in the lagoon in epidemic proportions. Tub...

Karl Ammann / Ba'ka pygmy in Cameroon, West Africa being tested for Ebola virus after eating infected gorilla meat. Close genetic correlation between humans and apes means that many of the same viruses and parasite...