Cliff Swallow Nest Building, Sony A1/Sony Alpha1, 4k

This Cliff Swallow was taking a mouthful of mud to the bridge where a couple of dozen birds were building nests.

Hagerman National Wildlife Refuge
Sherman, Texas, USA
5-23-2023

Sony A1 + Sony 600GM + Sony 1.4x TC
840mm, f/5.6, 1/3200, ISO-3200, Handheld