This morning at 6am, 25 images, a median stack, and some saturation were added. Canon 90D with a Sigma 150-600 mm Sport at 600mm. This all handheld but set the shutter at 1/2000 sec and F/6.3, ISO-800
Canarian Kestrel [Falco tinnunculus canariensis]
In Madeira, they mainly feed on Madeira Wall Lizards, Teira dugesii, though they can also eat mice and earthworms.
Started reading this... so far an eye opener for those optimistically clutching at straw.
https://www.amazon.com/dp/B0874W8C47/ref=pe_385040_118058080_TE_M1DP