Northern rockhopper penguin mice ("Mus musculus") have been introduced into their environment by human sea expeditions. The mice have proven to be invasive, and consume northern rockhopper eggs, as well as hunt their young. In order to preserve the birds, a culling of the mice is being considered. The northern rockhopper penguin is classified as endangered because of the decline in numbers over the last three generations (or 30 years). Population Trends by Year and Island On March 16, 2011, the Maltese-registered freighter MS "Oliva" ran aground on Nightingale Island, spilling tons of heavy crude into the ocean. The crew was rescued, but
What Bird is That? to the League for £300. The book was extolled fulsomely by S.R. Thomas, of the NSW Department of Education, as follows; ""What Bird is That?" is the most comprehensive and informative bird book published in the Commonwealth – if not in the world. The coloured plates are a triumph not only of the genius and imagination of the artist – our own Neville Cayley on whom has fallen so fittingly the mantle of his famous father – but also of the block-maker’s and printer’s art. The publishers have done nothing finer of its kind. The life-like portrayals of our feathered