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The greater roadrunner generally lays 2–6 eggs per clutch, but the lesser roadrunner's clutches are typically smaller. Hatching is asynchronous. Both sexes incubate the nest (with males incubating the nest at night) and feed the hatchlings. For the first one to two weeks after the young hatch, one parent remains at the nest.
The greater roadrunner reduces excess heat by the formation of water vapor, released by breathing or through the skin. [37] It sometimes pants in heavy heat to accelerate this action. [38] At night, it reduces its energy expenditure by more than 30 percent, lowering its body temperature from 104 to 93 °F (40 to 34 °C). [39]
Predators hunt when their prey is available, and prey try to avoid the times when their principal predators are at large. The temperature may be too high at midday or too low at night. [2] Some creatures may adjust their activities depending on local competition.
Greater roadrunner. The family Cuculidae includes cuckoos, roadrunners, and anis. These birds are of variable size with slender bodies, long tails, and strong legs. The Old World cuckoos are brood parasites. Groove-billed ani, Crotophaga sulcirostris (A) Greater roadrunner, Geococcyx californianus; Yellow-billed cuckoo, Coccyzus americanus
Diurnality, plant or animal behavior characterized by activity during the day and sleeping at night. Cathemeral, a classification of organisms with sporadic and random intervals of activity during the day or night. Matutinal, a classification of organisms that are only or primarily active in the pre-dawn hours or early morning.
Diurnality, plant or animal behavior characterized by activity during the day and sleeping at night. Cathemeral, a classification of organisms with sporadic and random intervals of activity during the day or night. Matutinal, a classification of organisms that are only or primarily active in the pre-dawn hours or early night.
Gulls are typically gray or white, often with black markings on the head or wings. They have stout, longish bills and webbed feet. Terns are a group of generally medium to large seabirds typically with grey or white plumage, often with black markings on the head. Most terns hunt fish by diving but some pick insects off the surface of fresh water.
The family Cuculidae includes cuckoos, roadrunners, and anis. These birds are of variable size with slender bodies, long tails, and strong legs. Groove-billed ani, Crotophaga sulcirostris; Greater roadrunner, Geococcyx californianus; Yellow-billed cuckoo, Coccyzus americanus; Black-billed cuckoo, Coccyzus erythropthalmus