Zosterops japonica Scorecard

Species:  Zosterops japonica

Common Name:  Japanese White-eye

Scorecard created on
Last Updated on

Results

Impact Total:12 / 35Impact = ( Spread + Damage - Benefit )

Ability to Respond Total:17 / 25Ability to Respond = ( Ease of Response + Tools in Place )

Confidence:High

Confidence Notes:

Impact

SpreadNotesScore
Spread RateEntire genus multiplies easily under southern California subtropical climate conditions, with year-round clutches, and competes with native birds.3
Spread AmountDocumented spred in San Diego in 1980's.3
DamageNotesScore
EcologicalInterspecies competition, e.g., Anna's hummingbird.3
AgriculturalAustralia controls birds with avicides to reduce damage in grapes.3
Infrastructure0
Cultural0
Health0
BenefitNotesScore
Ecological0
Agricultural0
Infrastructure0
Cultural0
Health0
Total12

Ability to Respond

Ease of ResponseNotesScore
DetectionMost birds can be seen in preferred food trees, lured with decoy birds or tapes, and mist netted.3
ControlAggressive early trapping in an incipient infestation; shooting of wary birds may be needed if numbers are few.3
Tools in PlaceNotesScore
EntryA CDFA "A"-rated pest5
ControlIn 1988, CDFA eradicated a small San Diego population.5
OutreachLow awareness of CA public and pet trade1
Total17

References

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