Script's Murrelet
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(New page: '''Common Name:''' Script’s Murrelet <br> '''Scientific Name:''' Synthliboramphus scrippsi '''Size:''' 10 inches (24 cm); 38 cm wingspan '''Habitat:''' North America; western coast of...) |
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'''Breeding:''' Black above and white on the chin, throat, and belly, this murrelet is very similar in appearance to Craveri’s murrelet, a species that shares a similar range. The two are most easily separated in flight by the distinct white underwing. This species is also very close in resemblance to Script’s Murrelet and was just recently divided into a new species. Facial patterning on the Guadalupe is much whiter above the eye than the Script’s Murrelet. | '''Breeding:''' Black above and white on the chin, throat, and belly, this murrelet is very similar in appearance to Craveri’s murrelet, a species that shares a similar range. The two are most easily separated in flight by the distinct white underwing. This species is also very close in resemblance to Script’s Murrelet and was just recently divided into a new species. Facial patterning on the Guadalupe is much whiter above the eye than the Script’s Murrelet. | ||
| - | In early spring, females lay two eggs directly on the ground, usually in a rocky area concealed by dense vegetation. No actual nest is constructed. For about 34 days, both parents take turns incubating the eggs, which vary widely in color, from pure white to blue, green, or even dark brown. Some are heavily spotted, while others are unspotted. The eggs are also extremely large, weighing up to a quarter of the mother’s total body weight—among the largest parent-to-egg size ratio of any bird. The chicks emerge fully feathered and well developed. They generally spend fewer than 48 hours at the nest site, during which time they are not fed. By the second or third night, the parents coax the chicks away from the nest site, then fly out to sea, leaving the chicks to find their own way to the ocean. The chicks’ path often involves a daunting climb over rough terrain, and down steep, rocky slopes. | + | In early spring, females lay two eggs directly on the ground, usually in a rocky area concealed by dense vegetation. No actual nest is constructed. For about 34 days, both parents take turns incubating the eggs, which vary widely in color, from pure white to blue, green, or even dark brown. Some are heavily spotted, while others are unspotted. The eggs are also extremely large, weighing up to a quarter of the mother’s total body weight—among the largest parent-to-egg size ratio of any bird. The chicks emerge fully feathered and well developed. They generally spend fewer than 48 hours at the nest site, during which time they are not fed. By the second or third night, the parents coax the chicks away from the nest site, then fly out to sea, leaving the chicks to find their own way to the ocean. The chicks’ path often involves a daunting climb over rough terrain, and down steep, rocky slopes. Chicks have been seen leaping from cliffs as high as 200 feet into the waters below. Once in the ocean, the chicks find their parents, who wait beyond the surf, calling for them constantly. Reunited, adults and chicks swim out to sea, where the parents continue to tend to the chicks for several months. |
'''Cool Facts:''' This murrelet comes ashore only to breed, remaining at sea the rest of the year. This species together with the Scripps's Murrelet were considered conspecific and were known collectively as Xantus's Murrelet until 2012. Enough evidence was collected to consider both species distinct based on a lack of evidence of interbreeding where the both species nest together on the San Benito Islands, differences in facial pattern and bill shape, vocalizations and genetics. | '''Cool Facts:''' This murrelet comes ashore only to breed, remaining at sea the rest of the year. This species together with the Scripps's Murrelet were considered conspecific and were known collectively as Xantus's Murrelet until 2012. Enough evidence was collected to consider both species distinct based on a lack of evidence of interbreeding where the both species nest together on the San Benito Islands, differences in facial pattern and bill shape, vocalizations and genetics. | ||
