Nick Garbutt / Claw marks of Bengal tiger on tree trunk {Panthera tigris tigris} male territorial behaviour, Royal Bardia NP, Nepal

Juergen Freund / Richard Fitzpatrick with claw to catch Tiger Shark {Galeocerdo cuvieri} Great Barrier Reef & Coral Sea, Australia

Juergen Freund / Struggling Tiger shark {Galeocerdo cuvieri} caught with claw, Great Barrier Reef & Coral Sea, Australia

Juergen Freund / Struggling Tiger shark {Galeocerdo cuvieri} caught with claw, Great Barrier Reef & Coral Sea, Australia

Juergen Freund / Struggling Tiger shark {Galeocerdo cuvieri} caught with claw, Great Barrier Reef & Coral Sea, Australia

Juergen Freund / Struggling Tiger shark {Galeocerdo cuvieri} caught with claw, Great Barrier Reef & Coral Sea, Australia

Toby Sinclair / Claw scratch marks on tree trunk from Tiger {Panthera tigris} Kaziranga NP, India

Ingo Arndt / Siberian Tiger (Panthera tigris altaica) detail of cub's paw with claws extended

Juergen Freund / Researcher with claw to catch Tiger shark for tagging, Queensland Australia {Galeocerdo

Juergen Freund / Researcher prepares bait + claw to catch Tiger shark for tagging, Queensland Australia

Gertrud & Helmut Denzau / Tiger claw worn as a talisman (Panthera tigris) India.