The Guttural Pouch is present only in members of the order Perissodactyla (nonruminant ungulates: horses; tapirs; rhinoceros) and another small band of small mammels including Hyraxes, certain bats and a South American mouse. | The Guttural Pouch is present only in members of the order Perissodactyla (nonruminant ungulates: horses; tapirs; rhinoceros) and another small band of small mammels including Hyraxes, certain bats and a South American mouse. |