Pest

Collared scops owl

Otus bakkamoena

Description

The collared scops owl (Otus bakkamoena) belongs to the Strigidae family within the Strigiformes order. While not a direct consumer of agricultural crops, this nocturnal predator is considered a nuisance in certain high-value orchard settings due to its role in the local food chain and its interactions with orchard infrastructure.

The diet of the collared scops owl consists primarily of large insects and small vertebrates. In an agricultural context, its presence may inadvertently disrupt the natural pest control provided by beneficial insects or other insectivorous birds. By preying on these beneficial species, the owl can indirectly trigger outbreaks of major agricultural pests that would otherwise be kept in check by natural biological control agents.

The biology and lifecycle of this species involve nesting in tree cavities or crevices in structures. They are highly territorial, which may lead to repeated visits to the same orchards throughout the year. Their nocturnal behavior makes them difficult to observe and manage, often leading to a delayed reaction from farmers when their presence starts affecting the ecosystem balance of a site.

The damage caused is primarily non-consumptive. It includes the accumulation of waste on harvested produce, which is a major concern for food safety and quality standards. Furthermore, the presence of these owls can cause stress to other wildlife or livestock kept on the property, and the physical weight of the birds can occasionally damage delicate young fruit-bearing branches during the critical growth phase.

Effective management strategies focus on deterrence rather than eradication. Since these birds often play a role in rodent control, a balanced approach is recommended. Effective tools include motion-activated light systems, bird netting, and regular pruning to reduce the number of suitable perches within the orchard canopy. Maintaining a tidy environment without trash or accessible rodent nesting sites will further decrease the orchard's appeal to this raptor.

Biology

Taxonomy

Latin name
Otus bakkamoena
Family
Strigidae

Taxonomy and Latin: EPPO Global Database · code OTUSBA

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