𝐆𝐫𝐫𝐥𝐒𝐜𝐢𝐞𝐧𝐭𝐢𝐬𝐭, scientist & journalistWatch: How Wolves Change RiversWolves are top predators that have far-reaching beneficial effects upon entire ecosystems — including the structure of riversMar 3, 2014Mar 3, 2014