BD-2 transmitter attached to a Gouldian finch (Erythrura gouldiae).
Photo: Milton Lewis (2000).

BD-2 transmitter attached to a ruffed grouse chick (Bonasa umbellus).
Photo: Chris Dobony (1999).

BD-2 transmitter attached with a legband to a Florida scrub jay (Aphelocoma coerulescens).
Photo: Michael Legare (2000)

BD-2 transmitter attached with a leg loop harness to an eastern meadowlark (Sturnella magna).
Photo: Michael J. Guzy (2002).

PD-2 transmitter attached with a harness to a hooded pitohui (Pitohui dichrous).
Photo: John Dumbacher (2002)