Black heron canopy hunting, Chobe National Park, Botswana
© Paul Souders/Minden PIcture
Umbrella manoeuvre. A black heron canopy hunting in Botswana
In the world of clever hunting, the black heron rules the roost. This bird thrives in shallow, open waters and at the edges of freshwater lakes and ponds. It's also commonly spotted in marshes, rice fields, seasonally flooded grasslands and along riverbanks.
At first glance, this feathered genius seems like any other wading bird, with its long legs, slender neck and pointed beak that aid in hunting. But when it hunts, this jet-black African species showcases an extraordinary skill—it takes the shape of an umbrella, as seen in today's image. While fishing, the heron dips its head, extends its wings around its body, and forms a shaded canopy. This clever technique is known as canopy feeding. One common theory is that small fish, seeking cover, are attracted to the shade of the heron's wings and swim right into its trap. The shade acts like polarised sunglasses, reducing glare and improving the heron's vision under the water. Additionally, the heron might also be camouflaging itself, which further intensifies the trap for the fish.
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