I've done essentially the same thing before (using my existing Go2RTC and Frigate setup) but the challenge I ran into is that the microphones on my cameras just aren't very good.
You can adjust which detections are accepted based on confidence level, so it might be that the settings are very strict.
Two rainbow lorikeets just had sex 2m from my breakfast table. I think there's a substantive distinction in avian fauna density.
ONLY? Here deep in the Amazon jungle I would expect 110 per HOUR!