Hi Folks;
Looking to buy a 216-217 transmitter for a back pack on a small bird eg Marshall micro type.
Also, the two main books on raptor health and diseases...
1) Birds of Prey: Health and Disease (Hardcover) by John E Cooper (Editor)
2) Birds of Prey: Medicine and Management (Hardcover) by Manfred Heidenreich (Author),Yvonne Oppenheim (Translator)