* Most images were taken with Sony A9 (ILCE-9) and 100-400mm lens with a 1.4x extender. Others taken with Sony A7RIII (ICLE-7RM3) and 200-600mm lens.
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ILCE-9, FE 100-400mm F4.5-5.6 GM OSS + 1.4X Teleconverter, 1/400, 8, iso1000

Blue feet with reflected light on the feathers

ILCE-9, FE 100-400mm F4.5-5.6 GM OSS + 1.4X Teleconverter, 1/2500, 8, iso2000

Head shot with an insect near the eye

ILCE-9, FE 100-400mm F4.5-5.6 GM OSS + 1.4X Teleconverter, 1/2500, 8, iso2500

ILCE-9, FE 100-400mm F4.5-5.6 GM OSS + 1.4X Teleconverter, 1/1250, 8, iso6400

ILCE-7RM3, FE 200-600mm F5.6-6.3 G OSS, 1/800, 6.3, iso1600

ILCE-9, FE 100-400mm F4.5-5.6 GM OSS + 1.4X Teleconverter, 1/400, 7.1, iso1250

ILCE-9, FE 100-400mm F4.5-5.6 GM OSS + 1.4X Teleconverter, 1/1000, 8, iso6400

ILCE-7RM3, FE 200-600mm F5.6-6.3 G OSS, 1/1000, 6.3, iso2000

ILCE-9, FE 100-400mm F4.5-5.6 GM OSS + 1.4X Teleconverter, 1/2500, 8, iso2000

Hovering before the dive. Note the unusual feather position on the distal wing (or maybe it was just the odd angle of the shot).

ILCE-9, FE 100-400mm F4.5-5.6 GM OSS + 1.4X Teleconverter, 1/640, 7.1, iso2500

Start of a dive

ILCE-9, FE 100-400mm F4.5-5.6 GM OSS + 1.4X Teleconverter, 1/2500, 8, iso1000

About 1-2 feet from entering the water

ILCE-9, FE 100-400mm F4.5-5.6 GM OSS + 1.4X Teleconverter, 1/2500, 8, iso2000

From another sequence, this Blue-footed Booby is inches from entering the water.

ILCE-9, FE 100-400mm F4.5-5.6 GM OSS + 1.4X Teleconverter, 1/1000, 8, iso6400

ILCE-9, FE 100-400mm F4.5-5.6 GM OSS + 1.4X Teleconverter, 1/1250, 8, iso1600

ILCE-7RM3, E Tamron17-28mm F2.8-2.8, 1/60, 18, iso100

ILCE-9, FE 100-400mm F4.5-5.6 GM OSS + 1.4X Teleconverter, 1/400, 6.3, iso4000

ILCE-9, FE 100-400mm F4.5-5.6 GM OSS + 1.4X Teleconverter, 1/320, 8, iso640

ILCE-9, FE 100-400mm F4.5-5.6 GM OSS + 1.4X Teleconverter, 1/1250, 8, iso6400

ILCE-9, FE 100-400mm F4.5-5.6 GM OSS + 1.4X Teleconverter, 1/800, 6.3, iso800

ILCE-9, FE 100-400mm F4.5-5.6 GM OSS + 1.4X Teleconverter, 1/1000, 8, iso2500

ILCE-9, FE 100-400mm F4.5-5.6 GM OSS + 1.4X Teleconverter, 1/640, 8, iso6400