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In salamanders, webbed feet have arisen in multiple lineages, but in most do not contribute to increased function. However, in the cave salamander species Chiropterotriton magnipes (bigfoot splayfoot salamander), their webbed feet are morphologically unique from other salamanders and may serve a functional purpose. [ 13 ]
Although their partially webbed feet often are mentioned, this webbing is very marginal and no greater in extent than in the green iguana, a species that also shares the flattened tail. [ 12 ] [ 63 ] Marine iguanas have powerful limbs with long, sharp claws for climbing, holding onto rocks and pulling themselves forward when at the sea bottom ...
Iguanas have historically featured in the culinary traditions of Mexico and Central America. Iguana meat is also consumed in parts of the United States, Dominican Republic, and Puerto Rico. [ 31 ] Also, the eggs of iguana are consumed in some parts of Latin America, such as Nicaragua and Colombia.
Green iguanas in captivity are known carriers of E. coli and salmonella bacteria.
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The land iguanas of Galápagos vary in morphology and coloration among different populations. [6] In addition to the relatively widespread, well-known Galápagos land iguana (C. subcristatus), there are two other species within Conolophus—the Galápagos pink land iguana (C. marthae), of northern Isabela Island, and the Santa Fe land iguana (C. pallidus), of Santa Fe Island.
Adult male iguanas can reach 5 feet in length, and weigh up to 20 pounds. Many iguanas in South Florida have adapted to going deep into burrows where they stay insulated from the cold.
Instead of the typical orange dewlap, the iguanas of St. Lucia have a black dewlap. When compared to the common green iguana, females lay about half the number of eggs, 25 instead of 50. Scales to the back of their head, near the jawbone, are smaller. Their irises are white or cream, whereas other green iguanas have yellow irises. [34] [35]