Well it was a typical morning at Huntington Beach State Park until the Cedar Waxwings showed up. Here is a selection using the Z9 and 800pf (a few with a TC1,4X added)

NIKON Z 9 NIKKOR Z 800mm f/6.3 VR S lens 800mm f/6.3 1/3200s 560 ISO -0.7 EV

NIKON Z 9 NIKKOR Z 800mm f/6.3 VR S lens 800mm f/6.3 1/3200s 800 ISO -0.7 EV

NIKON Z 9 NIKKOR Z 800mm f/6.3 VR S lens 800mm f/6.3 1/3200s 800 ISO -0.7 EV

NIKON Z 9 NIKKOR Z 800mm f/6.3 VR S Z TC-1.4x lens 1120mm f/9.0 1/3200s 5600 ISO 0.0 EV

NIKON Z 9 NIKKOR Z 800mm f/6.3 VR S Z TC-1.4x lens 1120mm f/9.0 1/3200s 3200 ISO +0.7 EV

Way up top of this tree was a nice flock also
NIKON Z 9 NIKKOR Z 800mm f/6.3 VR S Z TC-1.4x lens 1120mm f/9.0 1/3200s 1100 ISO 0.0 EV