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When a full Moon occurs at the closest point to Earth during its orbit, it appears larger and brighter, becoming what is commonly known as a 'supermoon'. A supermoon is widely recorded as being much ...
A small number of species have modified their life cycle to omit the planktonic stage (inner cycle in diagram). These lecithotrophs produce a smaller number of much larger yolky eggs which are ...
Sand dollars and their relatives (clypeasteroids, cassiduloids) have a bilaterally symmetrical test composed of TEN double columns of plates, five interambulacral columns (labelled 1-5) and five ...
Killer whales (also called orcas) are apex predators, meaning they are at the top of their food chain. They feed on fish and squid like other odontocetes (toothed whales) do, but will also target ...
The longest ever recorded dive by a whale was made by a Cuvier's beaked whale. It lasted 222 minutes and broke the record for diving mammals. Other whales can also hold their breath for a very long ...
The UK Species Inventory is a database of all UK wildlife and it provides the taxonomic foundation for most biological recording and analysis systems. The Natural History Museum maintains this ...