Shade-Grown Coffee Can Help Birds, But Deforestation Limits Its Benefits

For a long time presented as a discreet ally of biodiversity, shade-grown coffee tells a story more fragile than it seems. A study conducted in Colombia reveals a decisive point: without neighboring forests, even the most tree-rich plantations struggle to serve as refuges for birds.

In Colombia, shade coffee may look welcoming but is not enough on its own

In ecological imagination, shade-grown coffee has all the hallmarks of the good pupil. Cooler plots, branches to perch on, a varied vegetation, and the reassuring promise of farming capable of coexisting with living beings. On paper, the picture is appealing, almost comforting.

But in the eastern Colombian Andes, researchers chose to look beyond this pretty image. By comparing bird counts conducted over two seasons in plantations and forested areas, they uncovered a reality less intuitive. The decisive factor was not solely the farm itself, but the surrounding landscape as a whole.

Bird presence depends first on the forests around the plantations

The results published in 2026 in the Journal of Applied Ecology are clear. The higher the proportion of forest around the studied sites, the greater the chances that birds occupy these habitats. The authors even show that forest cover within a two-kilometer radius has strong predictive power.

This detail changes almost everything. A shade plantation can offer shelter, food, and some vegetative continuity. Yet when nearby forests have receded, many species hesitate and then disappear. Shade coffee is not useless, but it ceases to be a miracle solution, which public debate still often tends to imply.

Forest-dependent species pay the heaviest price. According to the study, they require a landscape with more than 32 % forest cover to reach an average probability of occupying their habitat. Below that threshold, the decline is steep. It is no longer a subtle erosion but an ecological shift.

Birds reveal the true state of biodiversity in coffee landscapes

Tracking birds is not merely a passion for naturalists. Because they occupy a high position in food chains, they often serve as indicators of the overall health of ecosystems, as the public portal Our Environment reminds us. When they abandon a landscape, it is rarely a detail without consequence.

In a coffee region, their presence also signals concrete balances. Better insect regulation, more stable pollination, richer plant diversity, and greater resilience to perturbations. In other words, the issue goes far beyond protecting a few colorful species. It touches the very robustness of agricultural landscapes.

Shade-grown coffee becomes truly useful when neighboring forest endures

The study does not debunk the idea of shade-grown coffee under tree cover. On the contrary, it shows that these plantations can indeed support many species, especially when the surrounding vegetation remains diverse. Some species even seem to persist better when the vegetation is complex, layered, and less simplified by intensive agriculture.

The crucial point lies elsewhere: these benefits explode when the forest matrix still exists. The researchers estimate that in landscapes where shade coffee is present, around 45 % forest cover around farms would be needed to preserve certain sensitive species. The farm and the forest do not replace one another; they reinforce each other.

This lesson extends beyond Colombia. Coffee remains, according to the FAO, the world’s most traded tropical product, with up to 25 million farming households representing 80% of global production. At a time when every cup seems to be described as a consumer choice, the larger question becomes: how many birds can a plantation still host when the forest, in turn, has ceased to exist?