Species Hierarchy
Kingdom ANIMAL (ANIMALIA)
Phylum BACKBONED ANIMALS (CHORDATA)
Class MAMMAL (MAMMALIA)
Order ELEPHANT AND MASTODON (PROBOSCIDEA)
Family ELEPHANT (ELEPHANTIDAE)
Common name: ELEPHANT - AFRICAN
Scentific name: LOXODONTA AFRICANA

Location: KENYA, AFRICA

Species Info:

This lifeform is found widely in Africa. This lifeform is seldom domesticated. Parts of this lifeform are edible. This lifeform is threatened and might become extinct.

African elephant (Loxodonta africana) is usually larger than the Indian elephant. Originally found in most of non-desert Africa, the species is now limited to a few parks. The African elephant may weigh up to 13,000 pounds. It is hunted for its ivory tusks.

As of 1989, there were probably less than 800,000 specimens left in the wild (compared to 1,300,000 in 1978.) Proper management of the elephant, in terms of preservation of the species and its habitat, the impact of development, and its economic importance is very controversial. In 1997, the Sites Treaty was adjusted to permit a limited trade in ivory beginning in 1999 for three countries (Namibia, Botswana, and Zimbabwe) in southern Africa. An interesting argument was presented that by allowing trade in ivory, there would be strong economic motivation to keep the species from becoming extinct.

There are only two species of elephants living today. The African and the Indian elephant. (Some scientists now separate the African forest elephant from the African savanna elephant to make a total of three species.)

A recently extinct potential fourth species was of small size and lived on islands in the Mediterranean during early recorded history. Biologists are not sure if this was a dwarf form of the African elephant or perhaps a full species. Mammoths are a rather recently extinct group of animals that are closely related to the present-day elephants. Mammoths became extinct 4,000 years ago.

Elephants, Mastodons, and Mammoths (Order Proboscidea) once contained many species and families. Only two species exist today. The species in this order have hoofed feet and typically an elongated, flexible extension of the proboscis (nose) that is commonly called a trunk. Near the base of the trunk, there are also usually two bony  protruding structures called tusks.

Mammals (Class Mammalia), together with the birds, are among the youngest of the classes of animals. In species count, mammals number about fifty-one hundred, trailing reptiles (approximately fifty-five hundred), fish (approximately eighteen thousand), and birds (approximately eighty-six hundred).

There are three sub-types of mammals:

   monotremes, the most primitive:
      Develop in reptilian-like eggs and suckle milk emerging
      (i.e., spiny anteater, duckbilled platypus)

   marsupials
      Newborn emerges very underdeveloped and continue to
      mature in a pouch on its mother's abdomen (i.e., opossums,
      koala, kangaroo)

   placental  
      Embryo develops within the uterus of the female and is
      dependent on a placenta for nutrition and waste removal
      (i.e., humans, lions, monkeys)  

About sixty-five million years ago, the Tertiary era produced thirty-five orders of mammals. Of this number, eighteen have survived to represent Earth's most diversified as well as its most highly developed classification of animals.

Extinction of mammals is fast becoming a serious issue. Duff and Lawson present a list of forty-one extinct species that reached extinction prior to 1800. These forty-one species are not acknowledged in the counts of the various families. Duff and Lawson also present a list of forty-six species including three gazelles, one zebra, one seal, one deer, and one wolf that have probably gone extinct since 1800. These forty-six species are included in the family counts. Science is adding about forty to fifty new species a year to the list. Many of these are the result of divisions of prior species; some are recent discoveries.

Mammals owe their survival to adaptive capabilities that include the ability to exploit whatever sources of food are available to them, as well as their ability to adjust to various climes. Food specialization influenced evolution to such a great extent that the teeth structure can and has been used to provide extensive information on the food needs and various lifestyles of extinct species.

Despite the vast diversity among mammals in terms of size, habitats and adaptations, they share without exception many characteristics such as:  

    a. body hair
    b. mammary glands
    c. certain skull characteristics
    d. four limbs that permit speed
    e. parallel not perpendicular limbs
    f. compartmentalized internal organs
    g. a four-chambered heart and pulmonary circulation

Backboned Animals (Phylum Chordata) are the most advanced group of animals on earth. These animals are characterized by having a spinal cord or backbone. Most members have a clearly defined brain that controls the organism through a spinal cord. Fish, amphibians, reptiles, birds, and mammals are in this phylum.

Currently, some taxonomists believe that the fish should be divided into two groups (sharks and regular fishes) and that there are some other primitive groups in the phylum such as hagfish or lampreys.

Animal Kingdom contains numerous organisms that feed on other animals or plants. Included in the animal kingdom are the lower marine invertebrates such as sponges and corals, the jointed legged animals such as insects and spiders, and the backboned animals such as fish, amphibians, reptiles, birds, and mammals.

 

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MALE IN HABITAT

FAMILY IN HABITAT

MALE IN HABITAT

CROSSING ROAD

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