Classification of a grey whale
What is the classification of a GREY whale?
Mammals are a group of vertebrate animals constituting the class Mammalia, characterized by the presence of mammary glands which in females produce milk for feeding their young, a neocortex, fur or hair, and three middle ear bones.
What are gray whales characteristics?
Gray whales have a streamlined body, with a narrow, tapered head. The upper jaw is arched in profile, and slightly overlaps the lower jaw. The rostrum (upper jaw) is dimpled and each of the little depressions contains one stiff hair. There are 2-5 grooves on the ventral throat 5 feet (1.5 m) in length.
Is a GREY whale a carnivore herbivore or omnivore?
Whales, however, are carnivorous. Even baleen whales that are filter feeders consume small fish and crustaceans, digesting another large carbohydrate, chitin, from the ‘shells’ of their prey.
Is a gray whale a predator?
Gray whales are opportunistic carnivores who can eat planktonically and benthically. Their food includes amphipods, mysids, benthic crustaceans, and planktons, depending on their location. Whales in the western portion of the North Pacific Oceans feed in shallow water on amphipods and isopods.
What is the largest whale in the world?
The Antarctic blue whale
The Antarctic blue whale (Balaenoptera musculus ssp. Intermedia) is the biggest animal on the planet, weighing up to 400,000 pounds (approximately 33 elephants) and reaching up to 98 feet in length.
What type of whale is a carnivore?
Yes, whales are carnivorous animals. In fact all species of whale, dolphin and porpoise are considered carnivores.
Which whale is herbivorous?
No, whales are not herbivores, they are carnivores. Although whales do not eat the same meats as land animals they are known to consume fish, squid, octopus and other types of foods that are considered carnivorous foods.
Are all whales carnivores?
All whales are carnivorous and predatory. Odontocetes, as a whole, mostly feed on fish and cephalopods, and then followed by crustaceans and bivalves. All species are generalist and opportunistic feeders. Mysticetes, as a whole, mostly feed on krill and plankton, followed by crustaceans and other invertebrates.
How many GREY whales left 2022?
Gray Whale Strandings (as of September 21, 2022)
| Country | 2019 | 2022 |
|---|---|---|
| Canada | 11 | 5 |
| U.S. | 122 | 44 |
| Mexico | 83 | 54 |
| Total | 216 | 103 |
Is the gray whale extinct?
Why is the gray whale endangered?
Oil and gas development, entanglement in fishing gear, and collisions with ships threaten gray whales. The western North Pacific gray whale is on the verge of extinction because of such threats.
How many GREY whales are left?
A western North Pacific population of gray whales, which summers off the Russian coast in the Okhotsk Sea, remains endangered with only around 200 individuals.
Do GREY whales have teeth?
Since gray whales have no teeth, they capture and strain their baleen, which hangs from the roof of the mouth; grays are the only bottom feeding whales.
Are gray whales smart?
Although gray whales are intelligent, they do not have the same level of intelligence as orcas or other whale or dolphin species. They seem to be more reserved and do not prefer moving around in groups or communicating with one another as other whale species do.
What is the most endangered animal in the world?
Javan Rhinos
1. Javan Rhinos. Once found throughout south-east Asia, Javan rhinos have suffered a staggering decline in their numbers due to hunting and habitat loss. The lone wild population of Javan rhinos is one of the rarest of the rhino species—around 75 individuals—which can only be found on the island of Java, Indonesia.
Do whales sleep?
Observations of bottlenose dolphins in aquariums and zoos, and of whales and dolphins in the wild, show two basic methods of sleeping: they either rest quietly in the water, vertically or horizontally, or sleep while swimming slowly next to another animal.
Do whales bite?
The Associated Press reported that a surfer was bitten in California in the early 1970s, which is the only relatively well-documented case of a wild orca actually biting a human. Orcas in captivity, however, have attacked and killed people.
Do whales have tongues?
Blue whales have a huge tongue that weighs as much as an elephant. In addition to the sense of taste, this organ is also involved in engulfing large volumes of water, a filter-feeding technique specific to rorquals.