Visayan warty pig (Sus cebifrons)

Visayan warty pig (Sus cebifrons)

Visayan warty pig (Sus cebifrons) is seen in the Jihlava Zoo, Czech Republic, on February 15, 2020. (CTK Photo/Lubos Pavlicek)

Visayan warty pig (Sus cebifrons), pigs

Visayan warty pig (Sus cebifrons), pigs

Visayan warty pig (Sus cebifrons) is seen in the Jihlava Zoo, Czech Republic, on February 15, 2020. (CTK Photo/Lubos Pavlicek)

Visayan warty pig (Sus cebifrons)

Visayan warty pig (Sus cebifrons)

Visayan warty pig (Sus cebifrons) is seen in the Jihlava Zoo, Czech Republic, on February 15, 2020. (CTK Photo/Lubos Pavlicek)

Visayan warty pig (Sus cebifrons)

Visayan warty pig (Sus cebifrons)

Visayan warty pig (Sus cebifrons) is seen in the Jihlava Zoo, Czech Republic, on February 15, 2020. (CTK Photo/Lubos Pavlicek)

Visayan warty pig (Sus cebifrons)

Visayan warty pig (Sus cebifrons)

Visayan warty pig (Sus cebifrons) is seen in the Jihlava Zoo, Czech Republic, on February 15, 2020. (CTK Photo/Lubos Pavlicek)

Visayan warty pig (Sus cebifrons)

Visayan warty pig (Sus cebifrons)

Visayan warty pig (Sus cebifrons) is seen in the Jihlava Zoo, Czech Republic, on February 15, 2020. (CTK Photo/Lubos Pavlicek)

Visayan warty pig (Sus cebifrons)

Visayan warty pig (Sus cebifrons)

Visayan warty pig (Sus cebifrons) is seen in the Jihlava Zoo, Czech Republic, on February 15, 2020. (CTK Photo/Lubos Pavlicek)

Visayan warty pig (Sus cebifrons)

Visayan warty pig (Sus cebifrons)

Visayan warty pig (Sus cebifrons) is seen in the Jihlava Zoo, Czech Republic, on February 15, 2020. (CTK Photo/Lubos Pavlicek)

Visayan warty pig (Sus cebifrons)

Visayan warty pig (Sus cebifrons)

Visayan warty pig (Sus cebifrons) is seen in the Jihlava Zoo, Czech Republic, on February 15, 2020. (CTK Photo/Lubos Pavlicek)

Negros (Visayan) Warty Pig, Sus cebifrons negrinus

Negros (Visayan) Warty Pig, Sus cebifrons negrinus

The Negros (Visayan) Warty Pig, Sus cebifrons negrinus, in Bratislava zoo, Slovakia, July 5, 2019. (CTK Photo/Libor Sojka)

Negros (Visayan) Warty Pig, Sus cebifrons negrinus

Negros (Visayan) Warty Pig, Sus cebifrons negrinus

The Negros (Visayan) Warty Pig, Sus cebifrons negrinus, in Bratislava zoo, Slovakia, July 5, 2019. (CTK Photo/Libor Sojka)

Negros (Visayan) Warty Pig, Sus cebifrons negrinus

Negros (Visayan) Warty Pig, Sus cebifrons negrinus

The Negros (Visayan) Warty Pig, Sus cebifrons negrinus, in Bratislava zoo, Slovakia, July 5, 2019. (CTK Photo/Libor Sojka)

Negros (Visayan) Warty Pig, Sus cebifrons negrinus

Negros (Visayan) Warty Pig, Sus cebifrons negrinus

The Negros (Visayan) Warty Pig, Sus cebifrons negrinus, in Bratislava zoo, Slovakia, July 5, 2019. (CTK Photo/Libor Sojka)

Negros (Visayan) Warty Pig, Sus cebifrons negrinus

Negros (Visayan) Warty Pig, Sus cebifrons negrinus

The Negros (Visayan) Warty Pig, Sus cebifrons negrinus, in Bratislava zoo, Slovakia, July 5, 2019. (CTK Photo/Libor Sojka)

Negros (Visayan) Warty Pig, Sus cebifrons negrinus

Negros (Visayan) Warty Pig, Sus cebifrons negrinus

The Negros (Visayan) Warty Pig, Sus cebifrons negrinus, in Bratislava zoo, Slovakia, July 5, 2019. (CTK Photo/Libor Sojka)

Negros (Visayan) Warty Pig, Sus cebifrons negrinus

Negros (Visayan) Warty Pig, Sus cebifrons negrinus

The Negros (Visayan) Warty Pig, Sus cebifrons negrinus, in Bratislava zoo, Slovakia, July 5, 2019. (CTK Photo/Libor Sojka)

Negros (Visayan) Warty Pig, Sus cebifrons negrinus

Negros (Visayan) Warty Pig, Sus cebifrons negrinus

The Negros (Visayan) Warty Pig, Sus cebifrons negrinus, in Bratislava zoo, Slovakia, July 5, 2019. (CTK Photo/Libor Sojka)

Negros (Visayan) Warty Pig, Sus cebifrons negrinus

Negros (Visayan) Warty Pig, Sus cebifrons negrinus

The Negros (Visayan) Warty Pig, Sus cebifrons negrinus, in Bratislava zoo, Slovakia, July 5, 2019. (CTK Photo/Libor Sojka)

Negros (Visayan) Warty Pig, Sus cebifrons negrinus

Negros (Visayan) Warty Pig, Sus cebifrons negrinus

The Negros (Visayan) Warty Pig, Sus cebifrons negrinus, in Bratislava zoo, Slovakia, July 5, 2019. (CTK Photo/Libor Sojka)

Negros (Visayan) Warty Pig, Sus cebifrons negrinus

Negros (Visayan) Warty Pig, Sus cebifrons negrinus

The Negros (Visayan) Warty Pig, Sus cebifrons negrinus, in Bratislava zoo, Slovakia, July 5, 2019. (CTK Photo/Libor Sojka)

Negros (Visayan) Warty Pig, Sus cebifrons negrinus

Negros (Visayan) Warty Pig, Sus cebifrons negrinus

The Negros (Visayan) Warty Pig, Sus cebifrons negrinus, in Bratislava zoo, Slovakia, July 5, 2019. (CTK Photo/Libor Sojka)