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A pig is any of the animals in the genus Sus, within the Suidae family of even-toed ungulates. Pigs include the domestic pig, its ancestor the wild boar, and several other wild relatives. Pigs are omnivores and are highly social and intelligent animals. Description and behaviour A typical pig has a large head with a long snout which is strengthened by a special prenasal bone and by a disk of cartilage at the tip...

Turtles are reptiles of the order Testudines (the crown group of the superorder Chelonia), characterised by a special bony or cartilaginous shell developed from their ribs that acts as a shield. "Turtle" may either refer to the Testudines as a whole, or to particular Testudines which make up a form taxon that is not monophyletic. The order Testudines includes both extant (living) and extinct species...

Underwater diving is the practice of going underwater, either with breathing apparatus (scuba diving and surface supplied diving) or by breath-holding (free-diving). Recreational diving is a popular activity (also called sports diving or subaquatics). Professional diving (commercial diving or diving for financial gain) takes a range of diving activities to the underwater work site. Levels of training and types of equipment and breathing gases used differ between types of diving...

A monkey is any cercopithecoid (Old World monkey) or platyrrhine (New World monkey) primate. All primates that are not prosimians or apes are monkeys. The 264 known extant monkey species represent two of the three groupings of simian primates (the third group being the 22 species of apes). Monkeys are generally considered to be intelligent and, unlike apes, monkeys usually have tails...

Mantodea or mantises is an order of insects that contains approximately 2,200 species in nine families worldwide in temperate and tropical habitats. Most of the species are in the family Mantidae...

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The hippopotamus (Hippopotamus amphibius), or hippo, from the ancient Greek for "river horse" (Ιπποπόταμος), is a large, mostly herbivorous mammal in sub-Saharan Africa, and one of only two extant species in the family Hippopotamidae (the other is the Pygmy Hippopotamus.) The hippopotamus is the third largest land animal (after the elephant and the white rhinoceros) and the heaviest extant artiodactyl, despite being considerably shorter than the giraffe...

In botany, a leaf is an above-ground plant organ specialized for the process of photosynthesis. For this purpose, a leaf is typically flat (laminar) and thin. As an evolutionary trait, the flatness of leaves works to expose the chloroplasts to more light and to increase the absorption of carbon dioxide at the expense of water loss. In the Devonian period, when carbon dioxide concentration was at several times its present value, plants did not have leaves or flat stems...

Dairy cattle (dairy cows) are cattle cows (adult females) bred for the ability to produce large quantities of milk, from which dairy products are made. Dairy cows generally are of the species Bos taurus. Historically, there was little distinction between dairy cattle and beef cattle, with the same stock often being used for both meat and milk production. Today, the bovine industry is more specialized and most dairy cattle have been bred to produce large volumes of milk...

Macro photography is close-up photography of usually very small objects. The classical definition is that the image projected on the "film plane" (i.e., film or a digital sensor) is close to the same size as the subject. In recent years, the term macro has been used in marketing material to mean being able to focus on a subject close enough so that when a regular 6×4 inch (15×10 cm) print is made, the image is life-size or larger...