News articles tagged with 'predatory'
Fishing down food web leaves fewer big fish, more small fish in past century: UBC research
— 18 Feb 2011 20:53 | EnvironmentPredatory fish such as cod, tuna, and groupers have declined by two-thirds over the past 100 years, while small forage fish such as sardine, anchovy and capelin have more than doubled…
Ancient 'terror bird' used powerful beak to jab like an agile boxer
— 19 Aug 2010 08:49 | Geology and palaeontologyThe ancient 'terror bird' Andalgalornis couldn't fly, but it used its unusually large, rigid skull - coupled with a hawk-like hooked beak - for a fighting strategy reminiscent of boxer…
Spider mite predators serve as biological control
— 3 Nov 2009 10:38 | BiologyThe control of spider mites, which damage tree leaves, reduce fruit quality and cost growers millions of dollars in the use of pesticide and oil spraying, is being biologically controlled…
Reaper dinosaur discovery reveals dino-diets
— 15 Jul 2009 14:57 | Geology and palaeontologyA giant 'reaper' dinosaur so called because it has huge claws shaped like a reaper's scythe has been unearthed by shocked scientists in the Utah Desert, who were there to dig up aquatic…
Alien fish in Swedish waters
— 28 Oct 2008 14:00 | BiologyA round goby (Neogobius melanostomus) was caught in late July off the Swedish coast near Karlskrona. This is the first find of its kind in Sweden. The species, which originates from…
New fish romping in the southern Baltic
— 24 Apr 2008 16:21 | BiologyIn less than three decades the round goby has become one of the most colourful features of the southern Baltic. The fish, which comes from the Black Sea, has rapidly adapted to Baltic…
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