english: Now, a single trematode is tiny, microscopic, but collectively they weighed as much as all the fish in the estuaries and three to nine times more than all the birds.
non_english: Jedna motolica je maličká, mikroskopická, ale dokopy vážia toľko, ako všetky ryby v ústiach a 3 – 9x viac, ako všetky vtáky.