Sharks are a group of fish characterized by a cartilaginous skeleton, five to seven gill slits on the sides of the head, and pectoral fins that are not fused to the head. Modern sharks are classified within the clade
Selachimorpha (or Selachii) and are the sister group to the rays. However, the term "shark" has also been used for extinct members of the subclass Elasmobranchii outside the Selachimorpha, such as Cladoselache and Xenacanthus, as well as other Chondrichthyes such as the holocephalid eugenedontidans. Under this broader definition, the earliest known sharks date back to more than 420 million years ago. Acanthodians are often referred to as "spiny sharks"; though they are n
The butterfly can be found in most countries in the world, but there tend to be more butterflies in warmer climates. The butterfly is a type of insect that feeds on flower nectar through its long and curled straw-like tongue.
Butterflies are similar in appearance and tendencies to moths, with many species of butterfly often getting confused as a moth and moths with butterflies. In general the butterfly species tend to be more brightly coloured than the moth species, but there are exceptions.
The butterfly's most reputable characteristic is the fact that there is an incredible morphing process, during the life cycle of the butterfly. The butterfly starts life as a caterpillar, whi
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The macaw is a colourful tropical parrot native to Central and Southern America. There are 17 different species of macaw found in the rainforests of South America. Many of the different macaw species are today considered to be endangered animals.
The macaw is an omnivorous animal and feeds on nuts and fruit in the trees along with insects, eggs and small mammals and reptiles. The macaw is known to sleep during the night meaning that the macaw is a diurnal animal, and in the morning the macaw will often fly long distances in order to find food.
The macaw is one of the largest species of parrot in the world, with the average adult macaw growing to more than a meter in height. The m
