Chestnut-rumped Thornbill 02

Two Chestnut-rumped Thornbill calling near Alice Springs in response to an intruder.

Chestnut-rumped Thornbill 01

Single Inland Thornbill calling near Alice Springs.

Inland Thornbill calling near Alice Springs demonstrating the high-pitched trilling call.

Adult Striated Pardalote (race substriatus) calling near Alice Springs.

Grey Fantail calling near Alice Springs (Grey Shrike-thrush in background).

Spinifex Pigeons (about 8 birds cooing) with Grey Fantail, Brown Honeyeater, and Grey Shrike-thrush near Alice Springs.

Pied Butcherbird doing a good job of mimicking a Spotted Nightjar.

Dusky Grasswren singing in Central Australia.