Glassy Bluebottle, Kalek river, Kalejnala, W Sikkim

Common Bluebottle, Bania river, Chilapata, W Bengal

Great Jay, Ultapani, West Bengal

Common Jay, Ultapani, W Bengal

Common Jay, Buxa, West Bengal

Tailed Jay, Ultapani, West Bengal

Tailed Jay, Ultapani, W Bengal

Five-bar Swordtail, Ultapani, W Bengal

Five-bar Swordtail, Ultapani, W Bengal

Chain Swordtail, Ultapani, West Bengal

Chain Swordtail, Ultapani, West Bengal

Lesser Zebra, Ultapani, West Bengal

Great Zebra, Ultapani, West Bengal

Great Zebra, Ultapani, West Bengal

Six-bar Swordtail, Kalek river, Kalejnala, W Sikkim

Spectacle Swordtail, Kalek river, Kalejnala, West Sikkim

Spectacle Swordtail, Kalek river, Kalejnala, West Sikkim

Tawny Mime, Kalek river, Kalenjala, West Sikkim

Lesser Mime, Kalek river, Kalejnala, West Sikkim

Common Mime, Ultapani, W Bengal

Common Mime, Chilapata, W Bengal

Common Mime, Ultapani, West Bengal

Common Mormon, Manas Wildlife Sanctuary, Assam

Red Helen, Rimbi Rock Garden, Yoksam, W Sikkim

Yellow Helen, Ultapani, W Bengal

Great Mormon, Ultapani, W Bengal

Great Mormon, Ultapani, W Bengal

Spangle, Bania river, Chilapata, W Bengal

Tailed Redbreast, Kalek river, Kalejnala, W Sikkim

Tailed Redbreast, Kalek river, Kalejnala, W Sikkim

Lime Butterfly, Jayanti river, Buxa, W Bengal

Paris Peacock, Javanti river, Buxa, W Bengal

Common Rose, Manas Wildlife Sanctuary, Assam

Common Rose, Bania river, Ultapani, W Bengal

Tree Yellow, Ultapani, West Bengal

Common Emigrant, Ultapani, West Bengal

Mottled Emigrant, Kalek River, Kalejnala, West Sikkim

Dark Clouded Yellow, Heepul Water Garden, West Sikkim

Dark Clouded Yellow, Kalek river, Kalejnala, West Sikkim

Yellow orange-tip, Ultapani, West Bengal

Great Orange-tip, Ultapani, West Bengal

Great Orange-tip, Ultapani, West Bengal

Striped Albatross, Bania river, Chilapata, West Bengal

Striped Albatross, Ultapani, West Bengal

Chocolate Albatross, Bania river, Chilapata, West Bengal

Chocolate Albatross, female, Ultapani, W Bengal

Chocolate Albatross, Manas Wildlife Sanctuary, Assam

Plain Puffin, Bania river, Chilapata, West Bengal

Spot Puffin, Kalek River, Kalejnala, West Sikkim

Large White, Javanti River, Buxa, West Bengal