[DOC] [TLE] Dolphin Blowhole and Breathing - understanddolphins.com [PAR] Dolphins vs. Whales & Porpoises ... A slightly recessed, crescent-shaped 
muscular flap called the blowhole is located on the dorsal side of the animal in 
the center of a swollen part of the head called the melon. The opening and 
closing ... The blowhole is the external opening (like a nasal passage) to the 
lungs. The dolphin... [DOC] [TLE] Bottlenose dolphin - Wikipedia [PAR] Bottlenose dolphins, the genus Tursiops, are the most common and well-known 
members of .... The real, functional nose is the blowhole on top of its head; the 
nasal septum is visible when the blowhole is open. ..... He states dolphins and 
porpoises feed on different types of fish, thus food competition is an unlikely 
cause of... [DOC] [TLE] Porpoise - Wikipedia [PAR] Porpoises are a group of fully aquatic marine mammals that are sometimes 
referred to as ... Porpoises, along with whales and dolphins, are descendants of 
land-living .... The large bulge on top of the porpoises head is caused by the 
melon. ... as if it were two nostrils; but underneath it opens up again in the mouth 
in a void. [DOC] [TLE] Frequently Asked Questions for Facts about whales and dolphins ... [PAR] Collectively, whales, dolphins and porpoises are known as cetaceans. .... breathe 
through a nostril, called a blowhole, located right on top of their heads. [DOC] [TLE] How Are Dolphins and Porpoises Different? | Wonderopolis [PAR] Are dolphins or porpoises more likely to be the stars of marine shows? ... nose to 
nose, then it can be difficult to tell the difference between dolphins and porpoises. 
... Grab your keys and drive on over to Wonderopolis tomorrow for the best seat in 
.... Dolphin is a fish also called mahi-mahi wow what people call dolphins are... [DOC] [TLE] The Marine Mammal Center : Cetaceans [PAR] Cetaceans: Whales, Dolphins, and Porpoises ... and they developed a thick layer 
of fat, called blubber, to keep warm in the ocean. Also, their skulls elongated and 
the nostrils shifted to the top of their heads (blowholes) to aid in breathing at the... [DOC] [TLE] Cetaceans [PAR] Most species are marine, but dolphin species are found in the Yangtze, ... and the 
nostrils are located on the top of the head, forming the blowhole. ... and porpoises 
are examples of odontocetes, as are belugas, narwhals, killer ... Blue, right, 
humpback, minke, gray, and fin whales are well-known examples of baleen 
whales. [DOC] [TLE] Dolphin Facts - Animal Facts Encyclopedia [PAR] ... using the blow hole at the top of their heads which is like a large nostril. ... 
Porpoises are six species within the dolphin family differentiated by their flat teeth
. ... which is the largest dolphin species, has been known to attack humans while
... [DOC] [TLE] Types of Dolphins and Porpoises - Facts for Now - Scholastic [PAR] In dolphins they have moved back to the top of the head. There the nostrils form a 
single opening called the blowhole. This permits the dolphin to take a breath... [DOC] [TLE] Order Cetacea [PAR] ... and lacking external parts; skull telescoped so that nostrils open on top of head 
through a ... Bats and cetaceans are the only mammals known to echolocate; 
they use sound ... The terms whale, dolphin, and porpoise need explanation. ... 
Dorsal fin and ventral throat grooves present; no growths on top of head; upper 
jaw... [DOC] [TLE] Dictionary - WDC Kidzone - Whale and Dolphin Conservation [PAR] Also known as a 'spout'. Blowhole: a cetacean's 'nostril/s' on top of its head. 
Whales and ... Cetacean: the collective word for all whales, dolphins and 
porpoises. [DOC] [TLE] Deep Divers: A Gallery of Dolphins - Live Science [PAR] Sep 7, 2011 ... Dive in and get a peak at the world's amazing dolphin species. ... air through a 
blowhole, or nostril, that is located at the top of their heads. ... of the most well-
known dolphins, and is often referred to as

Question: The nostril on top of a dolphin or porpoises' head is known as this
Answer: a blowhole