What is the difference between male and female elephant seals?
Adult male elephant seals belonging to the northern species tend to have a larger proboscis, and thick chest area with a red coloration compared to the southern species. Females do not have the large proboscis and can be distinguished between species by looking at their nose characteristics.
Is elephant seal 302 male or female?
Based on this data, we can conclude that Elephant Seal #302 is female because its migration routes indicate movement west toward open ocean.
Why are male southern elephant seals larger than females?
Males reach lengths of nearly 20 feet (6 m) and weights of more than 8000 pounds (3700 kg). Females are much, much smaller, and the males’ large size is the result of their territoriality and their habit of developing harems of several females with which they have sole mating rights.
Are female elephant seals bigger than males?
Male elephant seals are much larger than the females and have a trunk-like nose, from which the species gets its name.
What is the difference between seal and elephant seal?
True seals, such as elephant seals, differ from other pinnipeds in two easy-to-recognize ways. When it comes to scratching, it’s the opposite, true seals use their fore flippers while sea lions use their rear flippers. And in general, true seals have more blubber and are more streamlined.
Why do male and female seals look different?
Male and female seals look quite different from each other, and now a study shows that climate changes that happened millions of years ago likely contributed to their differences.
How big is a male elephant seal?
14-16 feet
Adult males may grow to 14-16 feet (4-5 m) in length and weigh up to 5,000 pounds (2,300 kg). The females are much smaller at 9-12 feet (2.5-4 m) in length and 900-1,800 pounds (400-800 kg). The northern elephant seal is the second largest seal in the world, after the southern elephant seal.
What’s bigger an elephant seal or a walrus?
Among the most amazing of pinnipeds are the elephant seals. They are the biggest of pinnipeds – bigger even than walruses – there being a record of a giant male Southern elephant seal that was between 6.5 and 6.8 m long and weighed over 4000 kg (Carwardine 1995).
Why do male and female southern elephant seals look different?
The differences in form between females and males of the same species is called sexual dimorphism. Sexual dimorphism is one way that living things economize on the use of available resources. Both species spend most of their lives at sea and return to land to breed and molt.
How do you tell the difference between a male and female seal?
Other than DNA testing, the only way to confirm whether a seal is female or male is by looking at its belly.
What is a female elephant seal called?
A female seal is called a cow, her mate is a bull and her babies are pups; during breeding season, the three are part of a harem. There are numerous species of seals, including elephant, fur and leopard varieties.
What is the lifespan of an elephant seal?
The average lifespan of a Northern Elephant Seal is 9 years, while the average lifespan of a Southern Elephant Seal is 20–22 years. Males reach maturity at five to six years, but generally do not achieve alpha status until the age of eight, with the prime breeding years being between ages 9 and 12.
What is the biggest elephant seal?
seal: Seal diversity. The largest is the male elephant seal (genus Mirounga leonina) of coastal California (including Baja California, Mexico) and South America, which can reach a length of 6.5 metres (21 feet) and a weight of 3,700 kg (8,150 pounds).
How much does an elephant seal weigh?
Southern elephant seals are the largest seal species, followed by Northern seals. Males grow to huge sizes, and they can weigh 8,800 pounds (3,991 kg) or more. Females weigh about 2,000 pounds (907 kg). They have the biggest weight difference between males and females of any animal species. How Much Do Newborn Elephant Seals Weigh?
