You hear a flock of these long before you spot them; they are noisy birds!
Saw flocks of these on Anna Maria Island and along the Pinellus Bayway leading down to Fort de Soto County Park.
Best viewed at 'original' size.
Nikon D700
,AF-S VR Nikkor 70-200mm f2.8G TC-20 E II 1/250s f/10.0 at 400.0mm iso220
Free Crop of DX Image at 1:1 Pixel Display
full exif