Bird deaths. Temephos is moderately to highly toxic for birds, and is formulated as a granule which easily can be picked up by a ground or shallow water feeding bird. Hundreds of red stints died at Lake Forrestdale in 1984 as a result of Temephos granules applied to a rapidly drying lake.
p31 Monitoring Pesticides. A Review to the Environment Protection Authority by Peter A Rutherford December 1989