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Roadrunners and other members of the cuckoo family have zygodactyl feet. The roadrunner can run at speeds of up to 32 km/h (20 mph) [10] and generally prefer sprinting to flying, though it will fly to escape predators. [11] During flight, the short, rounded wings reveal a white crescent in the primary feathers.
Horned lizards mostly hunt out in the open, licking up ants and other insects with their sticky tongues. However, this also makes the lizards easy targets for predators like roadrunners, coyotes ...
Roadrunners have four toes on each zygodactyl foot; two face forward, and two face backward. [17] The toes are brown in color and have pale gold spots. [5] Greater roadrunner walking in the Mojave Desert, California. Although capable of limited flight, it spends most of its time on the ground, and can run at speeds up to 20 mph (32 km/h). [16]
Some of the predators of the eggs, young, and adults of this species include birds of prey, greater roadrunners, antelope squirrels, domestic cats, dogs, coyotes, and various snake species. [ 13 ] References
The lesser roadrunner occurs in arid lowlands of Mesoamerica up to 3,000 metres (9,800 ft) in altitude. It inhabits open ground areas, with scrub and thorny bushes. [6] They can be found in higher elevations of stratovolcanoes such as Conchagua, San Miguel, Santa Ana and San Salvador, in semi-open areas above the treeline. [7]
Caniformia is a suborder within the order Carnivora consisting of "dog-like" carnivorans. They include dogs (wolves, foxes, etc.), bears, raccoons, and mustelids. [1] The Pinnipedia (seals, walruses and sea lions) are also assigned to this group. The center of diversification for the Caniformia is North America and northern Eurasia.
Dogs as introduced predators have affected the ecology of New Zealand, which lacked indigenous land-based mammals before human settlement. [161] Dogs have made 11 vertebrate species extinct and are identified as a 'potential threat' to at least 188 threatened species worldwide. [162]
In biological classification, Neomorphidae is a proposed family of birds, separating the ground cuckoos (including roadrunners) from the rest of the cuckoo family. [1] It is traditionally nested within the family Cuculidae as the subfamily Neomorphinae .