Bernard Castelein / Crested serpent eagle ( Spilornis cheela), Keoladeo NP, Bharatpur, India

Chien Lee / Crested Serpent-Eagle (Spilornis cheela), Kinabatangan Wildlife Sanctuary, Sabah, Borneo, Malaysia

Chien Lee / Crested Serpent-Eagle (Spilornis cheela), Sepilok Forest Reserve, Sabah, Borneo, Malaysia

Robin Chittenden / Crested serpent eagle (Spilornis cheela spilogaster) in flight, Sri Lanka.

Chien Lee / Crested Serpent-Eagle (Spilornis cheela), Sulawesi, Indonesia

Ashish & Shanthi Chandola / Crested serpent eagle (Spilornis cheela) perched, Bandipur Tiger Reserve, Karnataka, India. July

Bruno de Faveri / Crested Serpent-Eagle (Spilornis cheela), Rajasthan, India

Hanne & Jens Eriksen / Crested serpent eagle (Spilornis cheela) in flight, India, January.

Loic Poidevin / Crested serpent eagle (Spilornis cheela) on branch. Kaziranga National Park, Assam, India.

Loic Poidevin / Crested serpent eagle (Spilornis cheela) on branch. Kaziranga National Park, Assam, India.

Suzi Eszterhas / Crested Serpent eagle (Spilornis cheela) roosting at night, Danum Valley Conservation Area, Sabah, Borneo, Malaysia *Digitally removed twig in background

Andrew Parkinson / Crested Serpent Eagle (Spilornis cheela) adult with crest erect. Bandhavgarh National Park, India.