Endemism in birds
species
Nov 26
Oct 21
Birds classification
This page lists living orders and families of birds, class Aves. The links below should then lead to family accounts and hence to individual species.
Taxonomy is very fluid in the age of DNA analysis, so comments are made where appropriate, and all numbers are approximate. In particular see Sibley-Ahlquist taxonomy for a very different classification.
Oct 03
Fishkeeping
Fishkeeping is a popular hobby concerned with keeping fish in the home aquarium or garden pond.
Sep 23
Avicephalans
Avicephala is an extinct order of bizarre diapsid reptiles that lived during the Late Permian and Triassic periods. Many species had odd specialized grasping limbs and prehensile tails, adapted to arboreal (and possibly aquatic) lifestyles.
Sep 18
Crisis
A crisis (plural: crises) may occur on a personal or societal level. It may be a traumatic or stressful change in a person's life, or an unstable and dangerous social situation, in political, social, economic, military affairs, or a large-scale environmental event, especially one involving an impending abrupt change. More loosely, it is a term meaning 'a testing time' or 'emergency event'.
Sep 15
Edible fish
Fish as a food describes the edible parts of water-dwelling, cold-blooded vertebrates with gills, as well as certain other water-dwelling animals such as mollusks, crustaceans, and shellfish.
There are over 27,000 species of fish, making them the most diverse group of vertebrates. However, only a small number of the total species are commonly eaten. Fish are consumed as food all over the world, but fresh fish are moreso in areas close to seas, rivers, and lakes.
Sep 07
Aug 18
Agamidae
Agamids or lizards of the family Agamidae include more than 300 species in Africa, Asia, Australia, and a few in Southern Europe. Phylogenetically they may be sister to the Iguanidae, characterized by predominantly acrodont dentition. Agamids usually have well-developed, strong legs. Their tails cannot be shed and regenerated like those of Geckoes, though a certain amount of regeneration is observed in some. Many agamid species are capable of limited change of their colours. Ecologically they range from hot deserts to tropical rainforests.
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