Horornis diphone
System : Terrestrial
Kingdom
Phylum
Class
Order
Family
Animalia
Chordata
Aves
Passeriformes
Cettiidae
  • Not Evaluated
    NE
  • No Alien Population
    NA
  • Data Deficient
    DD
  • Minimal Concern
    MC
  • Minor
    MN
  • Moderate
    MO
  • Major
    MR
  • Massive
    MV
  • General
  • Distribution
  • Impact
  • Management
  • Bibliography
  • Contact
Common name
 
Synonym
Similar species
Summary

Principal source:

Compiler:

Review:

Publication date:

Recommended citation: Global Invasive Species Database (2025) Species profile: Horornis diphone. Downloaded from http://iucngisd.org/gisd/speciesname/Horornis+diphone on 05-02-2025.

Countries (or multi-country features) with distribution records for Horornis diphone
ALIEN RANGE
NATIVE RANGE
Informations on Horornis diphone has been recorded for the following locations. Click on the name for additional informations.
Lorem Ipsum
Location Status Invasiveness Occurrence Source
Details of Horornis diphone in information
Status
Invasiveness
Arrival date
Occurrence
Source
Introduction
Species notes for this location
Location note
Management notes for this location
Impact
Mechanism:
Outcome:
Ecosystem services:
Impact information
Red List assessed species 1: EN = 1;
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Locations
UNITED STATES
Mechanism
[1] Competition
[1] Predation
[1] Grazing/Herbivory/Browsing
[1] Other
Management information
Bibliography
0 references found for Horornis diphone

Management information
Contact
The following 0 contacts offer information an advice on Horornis diphone
MN
Horornis diphone
Date assessed
2021-09-27
Year published
2023
Eicat category
MN (Minor)
Justification for EICAT assessment


The Japanese Bush-warbler has been observed to feed on native invertebrates on Hawaii. There is no evidence that this has caused a decline of these species (Foster 2005, Scinto 2018).
Confidence rating
Low
Mechanism(s) of maximum impact
Predation
Countries of most severe impact
U.S.A.
Description of impacts
The Japanese bush-warbler feeds on native invertebrate and plant species and might compete with native bird species for food on Hawaii.
Assessor
Tom Allmert; Thomas Evans
Contributors
Reviewers
EICAT authority
Recommended citation
Tom Allmert, Thomas Evans (2025). Horornis diphone. IUCN Environmental Impact Classification for Alien Taxa (EICAT).