Dolphin lifespan1/9/2023 ĭolphins have physiological adaptations suited to their marine existence. ![]() Some have been known to hold their breath for up to 30 minutes, while others need to breath about every twenty seconds. The amount of time a dolphin can hold its breath depends on the species. Other species have been known to dive as deep as 1,000 feet under the service and jump as high as twenty feet out of the water. Some dolphin species can swim up to 25 miles per hour for long periods of time. Dominant members of pods have been known to abuse the weaker members. They have been observed physically supporting sick or dying members of their pod. Dolphins form strong bonds that may last a lifetime. A mother dolphin will stay with her calf for two to three years. Pods have been observed interacting with other pods from time to time. Dolphins are very social animals and live together in groups known as pods. There are thirty two species of oceanic dolphins and five species of river dolphins. They do not have distinct peaks, with their foreheads sloping almost uniformly to the tip of their snout and have spade shaped teeth. They tend to be smaller and more robust, the majority reaching about five to seven feet in length. Porpoises belong to the Phocoenidae family. They also tend to be larger than porpoises. Dolphins possess a distinct beak and sharp conical shaped teeth. While most people use the terms dolphin and porpoises interchangeably, they actually refer to two different types of animals. They are called cetaceans and are members of the Delphinidae family. The dolphin is a mammal and member of the Delphinidae family.ĭolphins are mammals, meaning they are warm-blooded like humans. Females as old as 45 years have given birth.This paper gives a brief biological summary of the dolphin. On average, calving occursĮvery 3 to 6 years. CalvesĪre born after a 12 month gestation period and are weaned at 18 to 20 months. Sexual maturity varies by population and ranges from 5-13 years for females and 9-14 years for males. Coastal animals prey on "benthic" invertebrates and fish, and offshore animals feed on pelagic squid and fish. Like other dolphins, bottlenose dolphins use high frequency echolocation to locate and capture prey. This species is often associated with pilot whales.īottlenose dolphins are generalists and feed on a variety of prey items "endemic" to their habitat, foraging individually and cooperatively. This is a long-lived dolphin species with a lifespan of 40-45 years for males and more than 50 years for females.īottlenose dolphins are commonly found in groups of 2 to 15 individuals. Their coloration ranges from light gray to black with lighter coloration on the belly.īottlenose dolphins range in lengths from 6.0 to 12.5 ft (1.8 to 3.8 m) with males slightly larger than females. They have a robust body and a short, thick beak. The bottlenose dolphin is one of the most well known species of marine mammals. Population but ranges from 5-14 years of ageīehavior:use high frequency echolocation to locateĪnd capture prey use multiple feeding strategies Lifespan:40-50 years sexual maturity varies by ![]() MMPA Depleted - Western North Atlantic Coastal
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