translate English to French: Road and off-road traffic has been implicated as a source of mortality for horned lizards (Nicolai and Lovich 2000, Flat-tailed Horned Lizard Interagency Coordinating Committee 2003).
On croit que les circulations routière et hors route pourraient être des sources de mortalité pour les phrynosomes (Nicolai et Lovich, 2000; Flat-tailed Horned Lizard Interagency Coordinating Committee, 2003).