We have over 30 of them. Over the years, we have had 1 or 2 fail and that was because someone (not me ,and don’t think for a second that I didn’t bitch loudly about it) left the door open on them and it rained.
I’m betting that a Bullet grazed her head and tore the ear tendon.
That happened to a buck on our property. We killed droopy at age 5.5 with that telltale droopy ear.
I've had a pretty consistent catch rate with not much sign of things slowing down.
And this morning I had a bobcat chase a rabbit across my front yard at Mach 2....