Felicity Lanchester,Felicity Lanchester / Fork-tailed drongo (Dicrurus adsimilis) catching insects fleeing from a grassland fire, South Luangwa National Park, Zambia.

Ann & Steve Toon / Fork-tailed drongo (Dicrurus adsimilis), Zimanga private game reserve, KwaZulu-Natal, South Africa.

Loic Poidevin / Fork tailed drongo (Dicrurus adsimilis) on a branch, Masai Mara, Kenya.

Richard Du Toit / Forktailed drongo (Dicrurus adsimilis) perched on razor wire, Garden Route National Park, Western Cape Province, South Africa.

Jen Guyton / Fork-tailed drongo (Dicrurus adsimilis) hovers over a foraging Meerkat (Suricata suricatta). The drongo will imitate the alarm call of other birds and then swoop down and steal the food the meerkat ha...

Yashpal Rathore / Nilgai or Blue bull (Boselaphus tragocamelus), silhouette of male at sunset, with Black drongo bird on its back. Velavadar National Park, Gujarat, India

Yashpal Rathore / Nilgai / Blue bull (Boselaphus tragocamelus), silhouette of male at sunset, with Black drongo on its back. Velavadar National Park, Gujarat, India

Neil Aldridge / Fork-tailed drongo (Dicrurus adsimilis) perched on a dead branch, Venetia Limpopo Nature Reserve, Limpopo Province, South Africa.

Loic Poidevin / Forktailed Drongo (Dicrurus adsimilis) on branch. Samburu National Reserve, Kenya.

Lou Coetzer / Fork tailed drongo (Dicrurus adsimilis) mobbing Martial eagle (Polemaetus bellicosus) taking off, Chobe River, Botswana.

Dave Watts / Fork-tailed Drongo (Dicrurus adsimilis) profile, Namibia

Neil Aldridge / Fork-tailed drongo (Dicrurus adsimilis) perched and looking around before it flies off and leaves frame, Okavango Delta, Botswana.