What statement is not true?
1) Botulism is a problem currently facing fish eating birds in the Great Lakes
2) larval clams are ectoparasites of fish
3) herons use a pectinate toe to groom out ectoparasites
4) The main problem facing predatory animals is human persecution
5) The bioaccumulation of DDT almost led to the extinction of several predatory birds including Peregrine Falcons
