LC
New Zealand Tomtit Petroica macrocephala



Taxonomy

Taxonomic note
Petroica macrocephala and P. dannefaerdi (del Hoyo and Collar 2016) were previously lumped as P. macrocephala following Sibley and Monroe (1990, 1993), Turbott (1990).

Taxonomic source(s)
del Hoyo, J., Collar, N.J., Christie, D.A., Elliott, A., Fishpool, L.D.C., Boesman, P. and Kirwan, G.M. 2016. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Volume 2: Passerines. Lynx Edicions and BirdLife International, Barcelona, Spain and Cambridge, UK.

IUCN Red List criteria met and history
Red List criteria met
Critically Endangered Endangered Vulnerable
- - -

Red List history
Year Category Criteria
2016 Least Concern
Species attributes

Migratory status not a migrant Forest dependency medium
Land-mass type Average mass -
Range

Estimate Data quality
Extent of Occurrence (breeding/resident) 1,350,000 km2
Severely fragmented? no -
Population
Estimate Data quality Derivation Year of estimate
Population size unknown - - -
Population trend decreasing - suspected -
Generation length 6.5 years - - -

Population justification: The global population size has not been quantified, but the species is described as locally common (del Hoyo et al. 2007).

Trend justification: The population is suspected to be in decline owing to predation pressure from introduced species (del Hoyo et al. 2007).


Country/territory distribution
Country/Territory Presence Origin Resident Breeding visitor Non-breeding visitor Passage migrant
New Zealand extant native yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Artificial/Terrestrial Arable Land suitable resident
Artificial/Terrestrial Plantations suitable resident
Artificial/Terrestrial Urban Areas suitable resident
Forest Temperate major resident
Grassland Temperate suitable resident
Altitude   Occasional altitudinal limits  

Recommended citation
BirdLife International (2024) Species factsheet: Petroica macrocephala. Downloaded from https://datazone.birdlife.org/species/factsheet/new-zealand-tomtit-petroica-macrocephala on 25/02/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from https://datazone.birdlife.org on 25/02/2024.