Is a blue whale a Cetacea?
The blue whale is a cetacean and is classified scientifically within the order Cetacea as a rorqual (family Balaenopteridae) related to the gray whale (family Eschrichtiidae) and the right whales (Balaenidae and Neobalaenidae) of the baleen whale suborder, Mysticeti. Animals: Fact or Fiction?
What animals belong to the order Cetacea?
Even‑toed ungulatesTherapsid
Cetaceans/Order
What are characteristics of order Cetacea?
Order Cetacea
- Fusiform-shaped body.
- Large body size.
- Virtually hairless.
- Blubber.
- No sebaceous glands.
- Tails flattened dorso-ventrally into flukes.
- Forelimbs are modified into flippers.
- Vestigial hindlimbs.
What is Cetacea and Sirenia?
Cetacea is an infraorder comprising of large carnivorous aquatic mammals, while sirenia is an order comprising of small herbivorous aquatic mammals. So, this is the key difference between cetacea and sirenia.
What is a group of dolphins called?
NOAA. Bottlenose dolphins (Tursiops truncatus) are very social animals, and often travel and hunt in groups called pods. The most common is a nursery group of 5-20 dolphins made up of females and their calves—although occasionally they will gather in groups (with males) of 1,000 or more.
What is a group of whales called?
A group of whales is commonly referred to as a pod, among other names. Like humans, whales form groups and families through friendship or for other biological reasons. A group such as this may also be called a school or gam.
What are the 3 biggest whales?
List of Whales By Size
- Blue Whale. The Blue Whale is not only the largest whale species, but the largest mammal on Earth.
- Fin Whale. The Fin Whale is next in line as the second largest whale species in the world.
- Sperm Whale.
- Right Whale.
- Bowhead Whale.
- Sei Whale.
- Gray Whale.
- Minke Whale.
What are the 3 main types of Cetacea?
Cetacea is the order of mammals that includes whales, dolphins, and porpoises. Cetaceans are found throughout the world’s oceans but most species types have specific or common ranges (Table 43-1).
What causes Cetacea?
cetacean, (order Cetacea), any member of an entirely aquatic group of mammals commonly known as whales, dolphins, and porpoises. The ancient Greeks recognized that cetaceans breathe air, give birth to live young, produce milk, and have hair—all features of mammals.
Who is Sirenia?
Sirenia, commonly sirenians, are also referred to by the common name sirens, deriving from the sirens of Greek mythology. This comes from a legend about their discovery, involving lonely sailors mistaking them for mermaids. Seekoei (sea cow) is also the name for a hippopotamus in Afrikaans.
What do u call a group of sharks?
A Shiver of Sharks
One of our favourite collective nouns on the list is the name for a group of sharks – a ‘shiver’.
What is a group of whales?
A group of whales is known as a “pod.” Other terms used for groups of whales are a “gam” and “school,” but pod is by far the most common name. The term “pod” refers to a group of animals living together. In general smaller animals are more likely than larger animals to form pods.
What is a group of mice?
nest of mice
A group of mice is referred to as a nest of mice. Nest is the collective noun we use to identify many mice in a group.
What is the largest animal to ever live?
the blue whale
Far bigger than any dinosaur, the blue whale is the largest known animal to have ever lived.
What is the largest whale ever recorded?
blue whale
The heaviest blue whale was also a female hunted in the Southern Ocean, Antarctica, on March 20, 1947. She weighed 418,878 pounds (190 tonnes) which is equivalent to about 30 elephants or 2,500 people. Even an average blue whale weighs 160 tons (145 tonnes) or as much as 25 adult African elephants.
What do people use ambergris whale vomit?
In Eastern cultures ambergris is used for medicines and potions and as a spice; in the West it was used to stabilize the scent of fine perfumes. Ambergris floats and washes ashore most frequently on the coasts of China, Japan, Africa, and the Americas and on tropical islands such as the Bahamas.
Is an orca a whale or a dolphin?
dolphins
Orcas have a lot of characteristics in common with whales, but taxonomically, they’re actually dolphins!
How many families are in the order Cetacea?
There are 70 species in this order in 10 families.
Do sirenians have hair?
All sirenians are nearly hairless except at the muzzle, where there are thick sensory hairs called vibrissae. The upper lip is enlarged and muscular and serves to grasp and manipulate food plants. The eyes are small, and the external ears consist only of tiny pits.
How many Sirenia are there?
Dugongs and Manatees
Sirenians are slow and passive mammals of tropical and sub-tropical waters. Their large thick bodies betray their heritage as relatives of elephants. There are only five living species of sirenians, known collectively as “sea-cows,” including the dugong and the manatees.
What’s a group of foxes called?
A group of foxes is called a skulk. The word skulk comes from a Scandinavian word, and generally means to wait, lurk or move stealthily. Foxes have a bit of a reputation for being sneaky so this word seems to work quite well!
What is a group of giraffes?
tower
Take giraffe for example: “a tower” is their collective noun, and we can’t think of a better way to describe a group of these gangly giants, towering as they do above all but the tallest trees around them. A group of giraffe are called a ‘tower’, which is a great example of collective nouns at their descriptive best.
What is a group of octopus called?
consortiumOctopus / Collective noun
What is a group of humans called?
There is no specific word to describe a group of humans. When we dig up the English language, we find several words that could represent a community of humans, but none that exactly match what we are looking for.
What was the first animal?
The First Animals
Sponges were among the earliest animals. While chemical compounds from sponges are preserved in rocks as old as 700 million years, molecular evidence points to sponges developing even earlier.