Top 10 Animals on TheTopTens with the Most Serious Looks

I like images and noticed that some animals look very serious on the available images. Some of the animals even give you a pretty hardcore look.
The Top Ten
1 Irish Water Spaniel
2 Cow Cattle (Bos taurus) are large, domesticated, cloven-hooved, herbivores. They are a prominent modern member of the subfamily Bovinae and the most widespread species of the genus Bos. Adult females are referred to as cows and adult males are referred to as bulls. ...read more.
3 Gorilla Gorillas are herbivorous, predominantly ground-dwelling great apes that inhabit the tropical forests of equatorial Africa. The genus Gorilla is divided into two species: the eastern gorilla and the western gorilla, and either four or five subspecies. The DNA of gorillas is highly similar to that of ...read more.
4 Buffalo A large herbivore native to North America and Africa, buffaloes are known for their strong social structure and herding behavior. In North America, they are more correctly referred to as bison, whereas the term buffalo is accurate for the African and Asian species.
5 Bison
6 Leopard The leopard is one of the five "big cats" in the genus Panthera. It is one of the most adaptable and the most widespread big cat; it's secrets being:well camouflaged fur; its opportunistic hunting behaviour, broad diet, and strength to move heavy carcasses into trees; its ability to adapt to various ...read more.
7 Tiger Shark The tiger shark is a species of requiem shark and the only extant member of the genus Galeocerdo. It is a large macropredator, capable of attaining a length over 5 m. Populations are found in many tropical and temperate waters, especially around central Pacific islands.
8 Cape Buffalo The African buffalo or Cape buffalo is a large African bovine. Syncerus caffer caffer, the Cape buffalo, is the typical subspecies, and the largest one, found in Southern and East Africa.
9 Red-Lipped Batfish
10 Kudu The kudus are two species of antelope of the genus Tragelaphus: Lesser kudu, Tragelaphus imberbis, of eastern Africa. Greater kudu, Tragelaphus strepsiceros, of eastern and southern Africa.
The Contenders
11 Siberian Tiger The Siberian tiger, also known as the Amur tiger, is a tiger population inhabiting mainly the Sikhote Alin mountain region with a small population in southwest Primorye Province in the Russian Far East.
12 Cheetah The cheetah (Acinonyx jubatus) is a large cat and native to Africa and central Iran. It is the fastest land animal, estimated to be capable of running at 80 to 128 km/h (50 to 80 mph) with the fastest reliably recorded speeds being 93 and 98 km/h (58 and 61 mph), and as such has several adaptations ...read more.
13 South China Tiger
14 Liger
15 Great Horned Owl
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