I find Wikipedia a great data base giving information which no other encyclopedia would give.
I do my bit when somebody tries to mutilate (not edit) an article by, for instance, deleting whole paragraphs or links just because he/she does not like it.
The hairy dragonfly (Brachytron pratense) is a species of European dragonfly in the hawker family, Aeshnidae. It is found in Europe and Asia Minor, as far east as the Caspian Sea, and resides close to water bodies containing plants with a flight season running from May to July. The hairy dragonfly is named for its hairy thorax, distinguishing it from other hawkers. With a typical length of around 5.5 centimetres (2.2 in), it has a long, narrow pterostigma and features coupled, oval-shaped markings on its abdomen, blue on males and yellow on females. This male hairy dragonfly on a fern was photographed in Burren National Park, County Clare, Ireland.Photograph credit: Charles J. Sharp