For the hornbill's tree hollow, the village kept the old tree

In a rainforest village on the Yunnan border, there is an old banyan fig the village treats as something close to sacred.

It is two hundred years old, and its crown closes over the lane. The reason for the reverence is halfway up the trunk: in a hollow fifteen meters off the ground lives a pair of wreathed hornbills. The village calls them the Big Beaks.

Hornbills are the flagship species of this forest, and the fussiest of tenants. They nest only in natural hollows in tall trees. In the breeding season the female goes inside to incubate, and the male seals the entrance with mud and fruit pulp until only a slit is left. For the next several months he crosses the forest every day with fruit in his throat and feeds his mate and chick through that slit. A good hollow is a family's entire future.

Good hollows are getting scarce. The century-old trees have been logged, and the secondary forest is too young to have made any. Lao Yan, a forest ranger, says you can count the hornbill nest trees around the village on one hand. The old banyan with the Big Beaks in it is the most reliable of them.

The trouble came the year before last. A timber buyer came to the village and set his sights on a stand of large-diameter trees near the banyan. His offer named the most valuable trees in the village, and the old banyan was on the list, at a price that made people suck their teeth. The village held three meetings. At the third, Lao Yan said something that later travelled to every village along that road: "Sell the tree and you get a stack of money. You'll spend it in a year. Keep the hornbills and the village has a story that never runs out."

The village turned the offer down, and then went further. It drew the old banyan and fifty mu of forest around it into a village hornbill reserve, with rules written into the village code: not one tree inside the reserve comes down. In breeding season, no noise, no fires, no visitors near the banyan. The village also worked with a research station to hang artificial nest boxes in the forest. "If the old tree falls," Lao Yan said, "we need a spare room."

The breeding months became the village's festival. Every morning and evening the male hornbill crosses the canopy with fruit and returns to the nest, and the villagers watch him make his delivery from a careful distance. The children keep observation notes. Whoever sees the chick leave the hollow first gets a hand-drawn hornbill stamp in their notebook. Last year the first artificial box was occupied — a different pair moved in. The researchers said take-up rates for nest boxes are low, and that this village's success had a lot to do with how quiet it is.

Protecting hornbills means protecting a whole rainforest: they need big trees, fruit, and a forest that stays quiet. Keep the hornbills and you have kept the forest. This is why they are called the farmers of the rainforest — the seeds they carry off are tomorrow's trees.

Now the village runs hornbill study tours. Birdwatchers and school groups stay with families, and villagers work as guides; Lao Yan, the ranger, is the chief interpreter. He takes visitors to watch a delivery, explains the village rules, and always ends by pointing at the old banyan. "Four generations of my family have watched that tree. It feeds the hornbills, the hornbills feed the forest, the forest feeds us. So tell me — are we protecting it, or is it feeding us?"