Nature Production / Two male Babirusa fighting (Babyrousa babyrussa) Sulawesi, Indonesia, vulnerable species

Daniel Heuclin / Babiroussa (Babyrousa babyrussa) covered in mud, Sulawesi, captive.

Daniel Heuclin / Babiroussa (Babyrousa babyrussa) standing in water, Sulawesi, captive.

Daniel Heuclin / Babiroussa (Babyrousa babyrussa) covered in mud, Sulawesi, captive.

Juergen & Christine Sohns / Babirusa (Babyrousa babyrussa) male, Singapore Zoo, Singapore

ZSSD / Babirusa (Babyrousa babyrussa) juveniles play fighting, native to Indonesia

ZSSD / Babirusa (Babyrousa babyrussa) juvenile, native to Indonesia

Nick Garbutt / Male Babirusa (Babyrousa celebensis) from the Island of Sulawesi, Indonesia. Captive, Singapore Zoo.

Nick Garbutt / Male Babirusa (Babyrousa celebensis) from the Island of Sulawesi, Indonesia. Captive, Singapore Zoo.

Thomas Marent / Babirusa (Babyrousa babyrussa) showing typical curves tusks, Sulawesi

Nature Production / Babirusa male {Babyrousa babyrussa} Sulawesi, Indonesia

ZSSD / Babirusa (Babyrousa babyrussa) showing typical curved tusks, native to Indonesia