It’s easy to understand why people confuse bison and buffalo. Both are large, horned, oxlike animals of the Bovidae family. There are two kinds of bison, the American bison and the European bison, and two forms of buffalo, water buffalo and Cape buffalo. However, it’s not difficult to distinguish between them, especially if you focus on the three H’s: home, hump, and horns.

A Cape buffalo, a subspecies of African buffalo, grazes in Kenya's Lewa Wildlife Conservancy with a red-billed oxpecker on its back.

Leung Siu-wah, 68, locally known as "Buffalo Jean" as she has been voluntarily looking after the buffalos for 12 years, wants the government to improve management of construction waste and do more to preserve the wetlands. "They look for food in every nook and cranny," she said.