This photo taken on Feb. 24, 2023 shows Zanzibar red colobuses in Zanzibar, Tanzania. Zanzibar red colobus, an endangered species, is mainly distributed in the forest reserve of Zanzibar Island in Tanzania. (Xinhua/Dong Jianghui)
This photo taken on Feb. 24, 2023 shows a Zanzibar red colobus in Zanzibar, Tanzania. Zanzibar red colobus, an endangered species, is mainly distributed in the forest reserve of Zanzibar Island in Tanzania. (Xinhua/Dong Jianghui)
This photo taken on Feb. 24, 2023 shows a Zanzibar red colobus in Zanzibar, Tanzania. Zanzibar red colobus, an endangered species, is mainly distributed in the forest reserve of Zanzibar Island in Tanzania. (Xinhua/Xie Hao)
This photo taken on Feb. 24, 2023 shows a Zanzibar red colobus in Zanzibar, Tanzania. Zanzibar red colobus, an endangered species, is mainly distributed in the forest reserve of Zanzibar Island in Tanzania. (Xinhua/Dong Jianghui)
This photo taken on Feb. 24, 2023 shows a Zanzibar red colobus in Zanzibar, Tanzania. Zanzibar red colobus, an endangered species, is mainly distributed in the forest reserve of Zanzibar Island in Tanzania. (Xinhua/Dong Jianghui)