Avian Pest Control in Agroecosystems

Birds are integral players in the management of agricultural pests across diverse farming systems. Insectivorous and omnivorous species forage on invertebrate pests, reducing outbreaks of caterpillars, aphids and other herbivores that would otherwise compromise crop yields. Their activities link natural habitats and cultivated fields, emphasising the importance of landscape composition and habitat connectivity in supporting avian populations. The provision of nesting sites, such as nest boxes, and maintenance of semi-natural features can bolster local bird communities and enhance predation rates. Moreover, fluctuations in foraging behaviour and seasonal presence require adaptive management to align conservation actions with peak pest pressures. By integrating avian pest control into broader integrated pest management frameworks, farmers can reduce reliance on chemical inputs while promoting biodiversity and ecosystem resilience. Emerging research highlights the trade-offs inherent in multi-functional landscapes, underscoring the need for tailored strategies that balance crop protection with conservation objectives on a global scale.

Research from Nature Portfolio

Recent studies have quantified how landscape heterogeneity mediates the effectiveness of bird-driven pest suppression. One investigation employed sentinel prey and avian community metrics across cereal fields and adjacent woodland to demonstrate that increasing the mosaic of permanent grassland and woodlands elevates mean predation rates, thereby managing trade-offs between crop and forest ecosystems. Another study examined modified coffee landscapes, revealing that underexplored avian interactions can suppress pest and disease levels by linking genetic, species and system-scale processes. These findings underline the potential of spatially explicit management to harness avian services and inform multifunctional land-use policies.

Avian Pest Control in Agroecosystems publication trend

The graph below shows the total number of articles in avian pest control in agroecosystems across all publications each year (not limited to Nature Index journals).

Technical terms

Agroecosystem: A managed ecological system in which crops, livestock and associated biota interact within an agricultural landscape.

Biological control: The regulation of pest populations through their natural enemies, including predators, parasitoids and pathogens.

Integrated pest management (IPM): A decision-support approach that combines biological, cultural, mechanical and chemical tactics to control pests sustainably.

Landscape heterogeneity: The spatial diversity of land-cover types—such as crops, grasslands and woodlands—that influences ecological processes.

Sentinel prey: Artificial or live prey items deployed in field experiments to measure predation pressure by natural enemies.

Ecosystem services: Benefits that humans derive from ecological functions, such as pest suppression by foraging birds.

References

1. Lessons from Ethiopian coffee landscapes for global conservation in a post-wild world. Communications Biology (2024).
2. Increasing landscape heterogeneity as a win–win solution to manage trade-offs in biological control of crop and woodland pests. Scientific Reports (2023).
3. Bird Deterrent Solutions for Crop Protection: Approaches, Challenges, and Opportunities. Agriculture (2023).
4. The Good, the Bad, and the Risky: Can Birds Be Incorporated as Biological Control Agents into Integrated Pest Management Programs?. Journal of Integrated Pest Management (2020).
5. Great Tits (Parus major) Reduce Caterpillar Damage in Commercial Apple Orchards. PLOS ONE (2007).