Earth Our Home Too : Meerkats

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Meerkat Classification and Evolution
The Meerkat (also known as the Suricate) is a small species of foraging mammal that is found inhabiting the harsh conditions of the open and arid, semi-desert plains in southern Africa. A member of the Mongoose family, Meerkats differ from the other 35 Mongoose species in a number of ways with the biggest difference being that Meerkats are incredibly sociable animals, where most Mongooses are not (only 3 other species are known to live in groups larger than pairs). There are three different sub-species of Meerkat that are found in varying geographic locations and although they are very similar in appearance, they differ slightly in their fur colouration and markings. All however, live in highly organised communities known as gangs or bands, that rely on one another for their survival in such hostile conditions as whilst the majority of the group is out foraging for food, others stand on guard to keep a watchful eye out for approaching predators.

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Meerkat Anatomy and Appearance
The Meerkat is a small sized mammal that has a long and slender body with a long and light but black-tipped tail that can almost double the animal’s total length. Meerkats are sandy to light brown in colour with eight darker stripes on their back, markings on their sides (which are unique to the individual) and a lighter face and underside. They have elongated muzzles with a black nose and dark coloured bands around their eyes. Meerkats have long, sharp claws on their front paws that are curved and can grow up to 2cm long and help them to both dig their burrows and to find small animals that are buried beneath the soft sand. The fur of the Meerkat has actually adapted remarkably to the differing desert conditions, not only helping to keep the animal cool during the boiling hot days, but also acting as a layer of insulation to keep it warm during the freezing-cold winter nights.

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Meerkat Distribution and Habitat
The Meerkat is found in southern and western Africa inhabiting the dry and hostile scrub-lands of the Kalahari Desert. Spanning across five different countries in southern Africa from Angola to South Africa, Meerkats are found throughout this vast, arid region foraging for food on the ground during the day and retiring into their immense burrows in the sand at night. Conditions in the Kalahari Desert are incredibly extreme with temperatures reaching up to 40 degrees Centigrade in the summer (with a sand temperature of 70 degrees), and falling to well below zero down to -10 degrees during the bitter, winter nights. This area of Africa has an incredibly low level of annual rainfall with only a rare, small amount falling generally between January and April and after which, the Kalahari briefly transforms into a well-vegetated and life-filled region before the cooler winter months set in.

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Meerkat Behaviour and Lifestyle
Unlike all but three other Mongoose species, the Meerkat is a highly sociable animal that inhabits territories in the desert in groups that usually contain between 10 and 30 individuals (although much larger bands are not uncommon in areas where there is an ample supply of food), and consist of three or four family units of a male and female pair, with their young. After emerging from their burrow to sunbathe in the early morning sun, the majority of the band goes off to forage for food while others either babysit the young, or act as guards. By standing upright on their hind legs and tails on the top of mounds and in bushes, Meerkat guards are able to have a good vantage point to watch out for approaching predators, particularly from the sky. One of a series of different alarm calls will then be sounded to alert the rest of the group what the danger is, often causing the whole band to dive into their underground burrow to hide.

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Meerkat Reproduction and Life Cycles
Although there may be a number of breeding pairs in one band, Meerkat society is generally dominated by one male and female pair. Young Meerkats are usually born in November after a gestation period that lasts for around 11 weeks. Having mated with her partner at the start of the summer, the female Meerkat gives birth to between 2 and 5 small kits in a grass-lined chamber in the burrow, that are born blind and without their full coat of fur. Unlike with the rearing of numerous other small mammal species, both females and males tend to their young with males and siblings known to help to teach the young Meerkats the skills of surviving in the surrounding desert. Whilst the majority of the band is out foraging for food, the young Meerkats never stray far from the den and whilst playing in the hot sand, are kept a watchful eye on by an appointed babysitter. Meerkats can live for up to 10 years in the wild but have been known to live for longer in captivity.

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Meerkat Diet and Prey
The Meerkat is a carnivorous animal which means that despite it’s small size, it only forages for and eats small animals in order to gain all of the nutrition (and most of the moisture) that is needs to survive. Like other Mongoose species, Meerkats have an excellent sense of smell which is used to sniff out potentialprey that is lurking just under the surface of the sand. Once detected, Meerkats then used their long and sharp front claws to dig out their prey, with the majority of their diet being made up of insects and other small invertebrates, along with also eating larger animals such as Lizards and Rodents. Due to the fact that Meerkats are small in size and have adapted to living in such a harsh environment, they must spend a great deal of their waking hours foraging for food as they are known to loose around 5% of their body-weight during the night and must therefore ensure that they have enough to eat every day.

meerkat and snake

Meerkat Predators and Threats
Due to the small size of the Meerkat, they are natural prey to numerous animal species that are both on the ground and in the air. The biggest threat to Meerkats are Birds of Prey such as Hawks and Eagles that can spot these animals from high above their heads, along with ground-dwelling predators such as Snakes that hunt them on the ground. In order to try and protect themselves from being so vulnerable in their open and arid surroundings, Meerkats adopt the safety in numbers tactic and ensure that there is always an individual on guard to warn the rest of the group of any approaching danger. In places that are closer to growing Human settlements and near to areas where domestic animals are grazed, Meerkats have been known to contract both bovine diseases and rabies that can affect whole populations of these adaptable and otherwise resilient animals.

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Meerkat Interesting Facts and Features
If the individual Meerkat on guard spots approaching danger they will sound the alarm to the rest of the group. Meerkats are known to use a wide range of vocal calls to communicate between one another sounding long howls to warn the rest of the band of an approaching bird of prey, and using short double-barks to alert them of a predator nearing the group on the ground. The individual territory of a Meerkat group covers a large enough area to ensure that the band has everything they need to most successfully survive. This includes areas of both hard and soft sand as although the hard sand provides the perfect ground for building their tunnels in, it requires more energy for Meerkats to forage for food in it too. Digging in the softer sand requires less effort and therefore means that they can conserve more energy for other activities.

Meerkat Relationship with Humans
The Meerkat is one of those species that has always fascinated people with their characteristic behaviours having made them one of Africa’s most iconic small mammal species. The real delights into Meerkat life were displayed in the BBC series Meerkat Manor which involved the following and filming of one band of Meerkats in the Kalahari Desert. Although they are not threatened by Human activity as drastically as a number of Africa’s other unique species, Meerkats have been susceptible to contracting diseases from other animals which can have devastating implications on local populations.

Meerkat Conservation Status and Life Today
Today, the Meerkat is an animal that listed by the IUCN as being of Least Concern from being extinct in it’s natural environment in the near future. Although they are widespread and common throughout much of their natural range, populations in certain areas can be affected by the lack of rainfall or increasing numbers of their natural predators. Populations across southern Africa however, appear to be generally stable with large numbers of Meerkats also found in a few of the big national parks.


Courtesy  : a-z-animals.com, Will Burrad-Lucas (via Google), Wikipedia

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Know : Life Span of Animals : List

Life Span of Animal : List

Animal

Average Life Span of Animal (Years)

African Grey Parrot

50

Alligator

68

Amazon Parrot

80

American Alligator

56

American Box Turtle

123

American Newt

3

American Toad

15

Angleworm

15

Anole

3

Ant (Queen)

3

Ant (Worker)

1/2

Asian elephant

40

B

 

Bare Eyed Cockatoo

40

Bat

24

Bear

40

Beaver

20

Bee (Queen)

5

Bee (Worker)

1

Binturong

18

Bison

30

Blackbird

18

Boa Constrictor

23

Bottlenose Dolphin

20

Box Turtle

123

Budgerigar

18

Bull

28

Bull Frog

16

Bull Snake

18

C

 

Caiman

28

Camel

50

Canada Goose

33

Canary

20

Canvasback duck

19

Capybara

12

Carp

100

Cat

25

Catfish

60

Chicken

15

Chinchilla

20

Chimpanzee

40

Chipmunk

12

Cicada

17

Civet

13

Cobra

28

Cockatiel

32

Common Goldeneye

17

Congo Eel

27

Conure

25

Cottonmouth Mocassin

21

Cottontail

10

Cow

22

Crocodile

45

D

 

Deer

35

Dog, large

10

Dog

22

Domestic Pigeon

26

Donkey

45

E

 

Eagle

55

Eclectus Parrot

20

Eel

55

Egyptian Goose

28

Elephant

70

Elk

22

English Sparrow

23

F

 

Fence Lizard

4

Ferret

12

Flying Squirrel

14

Fox

14

G

 

Galah

26

Galapagos Land Tortoise

193

Gerbil

5

Giant Salamander

55

Giant Tortoise

152

Goat 

15

Golden Hamster

4

Gorilla

20

Gouldian finch

6

Great Horned Owl

68

Green Frog

10

Grey Cheeked Parrot

15

Grey Squirrel

20

Grizzly bear

32

Grouse

10

Guinea Pig

8

H

 

Hare

10

Hellbender

29

Hippopotamus

45

Hog 

18

Horse

40

House Mouse

4

Human

70-80

Humming Bird

8

I

 

 

 

J

 

 

 

K

 

Kangaroo

9

Koala

8

L

 

Leopard

17

Leopard Frog

6

Lion 

35

Lobster

15

M

 

Macaw

50

Mallard

20

Mongoose

12

Mosquitofish

2

Mountain Lion

20

Mouse 

4

Mudpuppy

9

Muscrat

6

Mynah 

8

N

 

Newt

7

Norwegian Rat

4

Nutria 

15

O

 

Opossum

4

Ox 

20

P

 

Painted Turtle 

11

Parrot

80

Pea Fowl 

20

Pheasant 

18

Pig (wild) 

25

Pigeon 

11

Pionus Parrot 

15

Platypus 

10

Polar bear

20

Porcupine 

20

Prarie Dog 

10

Q

 

Quail 

6

R

 

Rabbit 

9

Rainbow Lorikeet

15

Rat Snake 

23

Rattlesnake 

22

Red Eared Turtle

7

Redhead Duck 

17

Rhinoceros 

40

Rosella 

15

S

 

Sea Lion

14

Sheep

15

Snapping Turtle

57

South African Clawed Toad

15

Squirrel

16

Sulphur Crested Cockatoo

40

Superb Parrot

36

Swan 

10-12

T

 

Tapir 

30

Tasmanian Tiger

7

Teal 

20

Tiger 

22

Tiger Salamander

11

Toad 

36

Toucan 

6

Tree Frog 

14

Trumpeter Swan

33

Turkey Buzzard

18

U

 

 

 

V

 

 

 

W

 

Whistling Duck

15

Wombat 

15

Wolf 

18

Woodchuck

15

X

 

 

 

Y

 

 

 

Z

 

Zebra Finch 

17

Note: Since this is just an average life expectancy, no doubt you will always have some exceptions. You will definitely have a few animals exceeding their life span.

Some animals life span might seem very short while others are reasonably long when compared to other animal species. However, the average life expectancy of a given animal is determined by factors such as genetic makeup, metabolic rate, body size, age of sexual maturity etc. It is important to note also that some domesticated animal can live longer or shorter than if they were living in their natural environment (habitat). The reason for this may due to conditions such as new lifestyle, change of diet, disease, predator (absent), etc. Therefore, in spite of the fact that many of these values given in the list below are based on the records taken from various sources, it should not be seen as the absolute maximum lifespan.

Courtesy and Source : My Universal Facts