Black-Crowned Night Heron / Nycticorax nycticorax / 黑頂夜鷺

Bird eyes come in a dazzling array of colours, and scientists really don’t know why. Adult Night-Herons (as shown here) have bright red eyes, but juveniles have orange eyes instead.

Learn more at Audabon: www.audubon.org/news/bird-eyes-come-amazing-array-colors-...

The Black-Crowned Night Heron is a common bird found throughout Hong Kong near any open body of water, although numbers (based upon my own casual observation anyway) do seem to increase during winter, indicating perhaps that at least some of the local population is partially migratory.

Thank you for your interest, views, faves, comments and awards ! This image was captured in Hong Kong 香港. (Best viewed on a larger screen.)

© This Image is under full copyright Rick C. Graham. © All rights reserved Rick C. Graham. © This image is subject to international copyright laws and may not be copied, downloaded, reproduced, transferred or manipulated without the express written permission of Rick C. Graham.

Taken on: January 11, 2024

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Camera: Sony ILCE-9, f/9.0, 1/3195 sec, 840mm, ISO 640 (more info) (hide info)

Camera:	Sony ILCE-9
Lens:	FE 200-600mm F5.6-6.3 G OSS + 1.4X Teleconverter
Aperture:	f/9.0
Exposure Time:	1/3195 sec
Focal Length:	840mm
ISO:	640
Exposure Bias:	-1.7 EV
Flash:	Off, Did not fire
Exposure Program:	Manual
Exposure Mode:	Manual
Metering Mode:	Multi-segment
White Balance:	Auto
Color Space:	sRGB
Software:	ILCE-9 v6.00
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