Buying Back The Earth.
Home to India's most immersive documentary library, cinematic showreels, and the largest 4K stock archive of Eastern India's biodiversity.
"We must give more than we take."
Award-winning environmental documentaries, immersive nature tours, and relentless habitat protection from Patna, Bihar.
Showcases
Watch NATBIOS documentaries, showreels, and field stories on YouTube.
Habitats of the East
From the seasonal floodplains of the Ganges to the ancient Kaimur hills, explore the three distinct worlds we document.
The Terai Jungle
The dense sal forests and swamps of Valmiki are a critical tiger corridor connecting India and Nepal.
The Blue Arteries
Bihar's river systems are living entities, creating and destroying habitats with every flood cycle.
The Kaimur Plateau
The rugged, rocky southern frontier with its unique deciduous scrub and leopard-guarded escarpments.
The Monsoon Transformation
Watch how Bihar's landscape turns from dusty gold to vibrant emerald in just 48 hours. Our time-lapse archive documents the massive arrival of life.
View Time-Lapse ArchiveWildlife of Eastern India
A deep dive into the extraordinary biodiversity of Bihar. From the deep waters of the Ganges to the dense canopies of Valmiki.
The Gangetic River Dolphin
India's National Aquatic Animal thrives in the Vikramshila sanctuary. We document their complex sonar communication and river habitats.
The Sparrowhawk (Shikra)
The Eurasian Sparrowhawk (Accipiter nisus), a small raptor, was recorded for the first time in Bihar's Rajgir hills in December 2025, marking the location as a new stopover on an international migratory flyway.
Gharials of the Gandak River
With distinctive snouts, these critically endangered crocodilians rely on the clean waters of the Gandak.
Masters of the Canopy
From Giant Wood Spiders to brilliant Atlas Moths, discover the microscopic architects of the Kaimur Highlands.
Architects of the Wetlands
Freshwater snails act as biological filters and a foundational food source for the massive bird migrations at Kanwar Lake.
Regional Species Index
A comprehensive, scientific checklist of the fauna of Bihar, aggregated from the Zoological Survey of India (ZSI), Valmiki Tiger Reserve (VTR) census data, and Gangetic riverine biological surveys.
I. Mammals (Class: Mammalia)
Big Cats & Carnivores
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Royal Bengal Tiger
Panthera tigris tigris
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Indian Leopard
Panthera pardus fusca
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Jungle Cat
Felis chaus
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Fishing Cat
Prionailurus viverrinus
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Sloth Bear
Melursus ursinus
Ungulates & Primates
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Gaur (Indian Bison)
Bos gaurus
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Nilgai (Blue Bull)
Boselaphus tragocamelus
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Sambar Deer
Rusa unicolor
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Chital (Spotted Deer)
Axis axis
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Northern Plains Gray Langur
Semnopithecus entellus
Small Mammals
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Indian Porcupine
Hystrix indica
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Indian Giant Flying Squirrel
Petaurista philippensis
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Indian Pangolin
Manis crassicaudata
II. Reptiles (Class: Reptilia)
Crocodilians & Turtles
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Gharial
Gavialis gangeticus
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Mugger Crocodile
Crocodylus palustris
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Indian Softshell Turtle
Nilssonia gangetica
Snakes & Lizards
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King Cobra
Ophiophagus hannah
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Russell's Viper
Daboia russelii
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Bengal Monitor
Varanus bengalensis
III. Aquatic Fauna
Mammals & Carps
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Ganges River Dolphin
Platanista gangetica
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Golden Mahseer
Tor putitora
Catfishes & Invertebrates
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Goonch (Giant Devil Catfish)
Bagarius bagarius
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Giant River Prawn
Macrobrachium rosenbergii
Immersive Expeditions
Book Now
The Firefly Night Trails
Witness millions of fireflies synchronizing their light.
BOOKING FOR JUNE 2026
The Dolphin Odyssey
Navigate the Ganges with aquatic researchers.
From ₹12,000
Valmiki Tiger Scouting
A masterclass in tracking in Bihar's only Tiger Reserve.
From ₹18,500
Ganga Heritage Tour
Documenting traditional river communities.
From ₹10,500
FROM LENS TO LAND
We use the lens to acquire the land. Your viewership directly funds the re-acquisition of the very Earth we film.
1. Create & Broadcast
Produce a passion project with NATBIOS. We broadcast your documentary, generating awareness and revenue.
2. Acquire & Restore
Profits fund the NATBIOS Earth Fund. We purchase degraded land and use rapid-growth ecology to rewild it.
3. Live in the Balance
On the edges of restored forests, we build zero-emission Eco-Villages to fund the next cycle.
Pledge a Project
Pitch your environmental documentary to NATBIOS. If greenlit, your budget goes toward restoring the land.
Eco-Village Waitlist
Join the waitlist to secure a lease in our zero-pollution, restored native forests.
Restoration in Action
Through our "Million Small Ecosystems" project, we fund the stabilization of riverbanks and protection of forest patches directly from production revenue.
Field Notes & Science
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A Quiet Sentinel of Bihar's Rivers
Resting at the water's edge, the gharial carries the stillness of a healthy river. This remarkable reptile is a reminder that clean currents, undisturbed sandbanks, and patient protection are inseparable.
A Moment of Grace at Valmiki
Two flamingos pause in a tender, mirrored gesture—an intimate field moment that reveals the quiet poetry behind wildlife observation.
The Geometry of a Forest Web
Suspended between leaves, a spider's web turns morning light into evidence of precise engineering—an architecture refined by the forest.
The Team Behind The Lens
Rahul
Wildlife Photographer, Filmmaker & Mentor
Mritunjay (MJ)
Natural History Cameraman, Visual Storyteller
Suraj
Adventure Photographer & Expedition Lead
Corporate & Digital Services
CSR Video Production
End-to-end video documentation for stakeholders, multi-camera live broadcasting, and impact reporting.
Web & Platform Dev
Website design for eco-businesses and custom online course platform development for educational institutions.
Social Media Strategy
Applying our documentary marketing strategies to manage your environmental or cultural messaging.
The Stock Archive
A premium 4K video vault (10,000+ clips) of Indian wildlife, aerials, and landscapes. Strict Rule: No automated checkouts.
Browse Stock GalleryFrom The Store
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"Wild Bihar" Book
₹2,499
Nature Journal
₹1,200
Tiger Portrait (A2)
₹4,500
Explorer T-Shirt
₹999
Work With Natbios
We are always searching for passionate natural history filmmakers, expedition guides, and conservation researchers to join our basecamp in Patna, Bihar.
View Open Roles