The researchers foudn that Java finches are able to generate a powerful bite force [of 10 Newtons] to crush the hard seeds they eat.

The haul included Mexican house finches, java sparrows, and Bengalese finches – all birds that Mr Darley, secretary of the Basingstoke and District Cage Bird Society, has kept and bred as a hobby.

Perfect blend behind bird beak strength Thursday, 16 February 2012 Anna Salleh ABC The small Java finch can generate a powerful bite force with its beak (Source: Nattnee Buppapirak/iStockphoto) ...