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25 Cute Animals Yawning

Updated on December 15, 2016

Most of the times opening the mouth is a reflex, called yawn, and has different causes. Fatigue, boredom, stress, sleepiness or others yawning (mirror neuron reflex) are usually thought to be in its origin but there are a few theories about it.

  • yawning occurs when one's blood contains increased amounts of carbon dioxide and needs oxygen (or expulsion of carbon dioxide) that a yawn can provide.
  • yawning is the body's way of controlling brain temperature, needed to increase brain activity.
  • yawning, especially "contagious" yawning, may be a way of keeping a group of animals alert and signals tiredness to other members of the group in order to synchronize sleeping patterns and periods.

In animals, yawning can serve as a warning signal to enemies like in baboons, siamese fighting fish and guinea pigs.

The "contagious" yawning can occur across species the reason why you can see your dog or cat yawn after you.

Below are 25 funny images of animals being caught with mouths wide open.

Yawning cat.
Yawning cat. | Source

Since cats were venerated in ancient Egypt, they were commonly believed to have been domesticated there, but there may have been instances of domestication as early as the Neolithic from around 9,500 years ago (7,500 BC).

Yellow-legged gull (Larus michahellis). Photo taken on the top of the basilica of Nossa Senhora do Pilar, Gaia, Portugal
Yellow-legged gull (Larus michahellis). Photo taken on the top of the basilica of Nossa Senhora do Pilar, Gaia, Portugal | Source

The yellow-legged gull (Larus michahellis) has only recently achieved wide recognition as a distinct species. It was formerly treated as a subspecies of either the Caspian gull L. cachinnans, or more broadly as a subspecies of the herring gull L. argentatus.

Yawning Shoebill (Balaeniceps rex) at Weltvogelpark Walsrode (Walsrode Bird Park, Germany)
Yawning Shoebill (Balaeniceps rex) at Weltvogelpark Walsrode (Walsrode Bird Park, Germany) | Source

The shoebill (Balaeniceps rex) also known as whalehead or shoe-billed stork, is a very large stork-like bird. It derives its name from its massive shoe-shaped bill. It lives in tropical east Africa in large swamps from Sudan to Zambia.

A Namaqua chameleon in threat display, Namib desert, Namibia.
A Namaqua chameleon in threat display, Namib desert, Namibia. | Source

The Namaqua chameleon (Chamaeleo namaquensis) is a ground-living lizard found in the western desert regions of Namibia, South Africa and southern Angola.

Closeup of mature Red Deer stag (Cervus elaphus) bellowing during the rut.
Closeup of mature Red Deer stag (Cervus elaphus) bellowing during the rut. | Source

The red deer (Cervus elaphus) is one of the largest deer species. The red deer inhabits most of Europe, the Caucasus Mountains region, Asia Minor, Iran, parts of western Asia, and central Asia. It also inhabits the Atlas Mountains region between Morocco and Tunisia in northwestern Africa, being the only species of deer to inhabit Africa.

Helarctos malayanus, Shanghai Zoo. The sun bear (Helarctos malayanus) is a bear found in tropical forest habitats of Southeast Asia.
Helarctos malayanus, Shanghai Zoo. The sun bear (Helarctos malayanus) is a bear found in tropical forest habitats of Southeast Asia. | Source

The sun bear (Helarctos malayanus) is a bear found in tropical forest habitats of Southeast Asia. It is classified as Vulnerable by the International Union for Conservation of Nature (IUCN) as the large-scale deforestation that has occurred throughout Southeast Asia over the past three decades has dramatically reduced suitable habitat for the sun bear. The global population is thought to have declined by more than 30% over the past three bear generations.

Source

Gymnothorax nudivomer, the starry moray or yellowmouth moray is a large sized fish that can reach a maximum length of 180 cm. One of the characteristic point to identify this moray is the yellow color of its inside mouth. The starry moray is widespread throughout the Indo-Pacific area from eastern coast of Africa, Red Sea included, until Polynesia and Hawaii and from south Japan to New Caledonia.

A yawning American alligator (Alligator mississippiensis), Collier county, Florida.
A yawning American alligator (Alligator mississippiensis), Collier county, Florida. | Source

The American alligator (Alligator mississippiensis) is a large crocodilian reptile endemic to the southeastern United States.Adult male American alligators measure 3.4 to 4.6 m (11 to 15 ft) in length, and can weigh up to 453 kg (1,000 lb).

A swallow drinking while flying over a swimming pool
A swallow drinking while flying over a swimming pool | Source

The swallows and martins are a group of passerine birds in the family Hirundinidae that are characterised by their adaptation to aerial feeding. The swallows have a cosmopolitan distribution across the world and breed on all the continents except Antarctica.

Southern Elephant Seal (Mirounga leonina)  in South Georgia.
Southern Elephant Seal (Mirounga leonina) in South Georgia. | Source

The southern elephant seal (Mirounga leonina) is without rival the largest carnivoran alive. An average adult male southern elephant seal weighs six to seven times more than the largest terrestrial carnivorans, the polar bear (Ursus maritimus) and Kodiak bear (Ursus arctos middendorffi)

Ostrich, beak open
Ostrich, beak open | Source

The ostrich or common ostrich (Struthio camelus) is one species of large flightless birds native to Africa. The ostrich's diet consists mainly of plant matter, though it also eats invertebrates.

Siberian Tiger Yawning
Siberian Tiger Yawning | Source

The Siberian tiger (Panthera tigris altaica) is a tiger subspecies inhabiting mainly the Sikhote Alin mountain region with a small population in southwest Primorye Province in the Russian Far East. The Siberian tiger and Bengal tiger subspecies rank among the biggest living cats.

Hippo with mouth wide open
Hippo with mouth wide open | Source

The common hippopotamus (Hippopotamus amphibius), or hippo, is a large, mostly herbivorous mammal in sub-Saharan Africa. It is the third-largest type of land mammal.

Basking shark (Cetorhinus maximus).
Basking shark (Cetorhinus maximus). | Source
At the British Wildlife Centre, Newchapel, Surrey; 'Pickles' the vixen lets out a huge yawn.
At the British Wildlife Centre, Newchapel, Surrey; 'Pickles' the vixen lets out a huge yawn. | Source
The Giant Leaf-tailed Gecko (Uroplatus fimbriatus) is easily observed on the island of Nosy Mangabe in the Bay of Antongil off Maroansetra. When alarmed, it opens its mouth largely, displaying its brilliant orange-red interior.
The Giant Leaf-tailed Gecko (Uroplatus fimbriatus) is easily observed on the island of Nosy Mangabe in the Bay of Antongil off Maroansetra. When alarmed, it opens its mouth largely, displaying its brilliant orange-red interior. | Source
Koala, ZooParc de Beauval, Saint-Aignan, Loir-et-Cher, France
Koala, ZooParc de Beauval, Saint-Aignan, Loir-et-Cher, France | Source
Japanese macaque (Macaca fuscata) juvenile yawning at Jigokudani Monkey Park, Nagano, Japan.
Japanese macaque (Macaca fuscata) juvenile yawning at Jigokudani Monkey Park, Nagano, Japan. | Source
The nest and chicks of an Australian Pipit Anthus australis
The nest and chicks of an Australian Pipit Anthus australis | Source
A big brown bat, Eptesicus fuscus.
A big brown bat, Eptesicus fuscus. | Source
BIG mouth
BIG mouth | Source
Also Yorkies have teeth ....
Also Yorkies have teeth .... | Source
 A male lion at a zoo yawning. Some of its teeth are visible.
A male lion at a zoo yawning. Some of its teeth are visible. | Source
a yawning Kinkajou at a shelter for wounded and abused animals near Sámara, Costa Rica
a yawning Kinkajou at a shelter for wounded and abused animals near Sámara, Costa Rica | Source
A yawning horse in Norway
A yawning horse in Norway | Source

Cute animals yawning

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