| respiratory nematodiases in raptors in quebec. | this is a retrospective study on wild raptors submitted to the université de montréal (quebec, canada) from 1989 to 1996. cyathostoma spp. (nematoda: syngamidae) adults and/or eggs were found in air sacs, lungs, bronchi, and trachea of 12 raptors (falconiformes and strigiformes) from quebec, canada, belonging to eight different species, five of which are first host records for this parasite: barred owl (strix varia), snowy owl (nyctea scandiaca), northern harrier (circus cyaneus), northern gosha ... | 1999 | 10231766 |