| size and dynamics of microplastic in gastrointestinal tracts of northern fulmars (fulmarus glacialis) and sooty shearwaters (ardenna grisea). | we found microplastic in 89.5% of 143 northern fulmars from 2008 to 2013 and 64% of 25 sooty shearwaters in 2011-2012 that were found dead or stranded on oregon and washington beaches. average plastic loads were 19.5 pieces and 0.461g for fulmars and 13.3 pieces and 0.335g for shearwaters. pre-manufactured plastic pellets accounted for 8.5% of fulmar and 33% of shearwater plastic pieces. in both species, plastic in proventriculi averaged 2-3mm larger in greatest dimension than in ventriculi. int ... | 2017 | 28063702 |