Equidae
Equidae (sometimes known as the horse family) is the taxonomic family of horses and related animals, including the extant horses, donkeys, and zebras, and many other species known only from fossils. All extant species are in the genus "Equus". Equidae belongs to the order Perissodactyla, which includes the extant tapirs and rhinoceros, and several extinct families.
List of birds of Ecuador
Cuculidae includes cuckoos, roadrunners, and anis. These are birds of variable size with slender bodies, long tails, and strong legs. Eighteen species have been recorded in Ecuador.Order: SteatornithiformesFamily: Steatornithidae