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Snapshot
Primary Traits
2,487.5 g
1,050 m - 1,520 m
48
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Record section
Identity and Taxonomy
Scientific identity, taxonomic placement, and source lineage.
Scientific name
Porphyrio mantelli
English name
North Island Takahe
Order
Gruiformes
Family
Rallidae
Genus
Porphyrio
Species
mantelli
Data source
HBW3, BOTW, EXT
Record section
Conservation and Range
Threat status and geographic distribution signals.
Conservation status
Extinct
Range restricted
No data
Island endemic
Yes
Biogeographic realm
New Zealand & islands
Latitudinal zone
Temperate
Record section
Measurements
Mass and elevation values from the stored record.
Minimum female mass
1,850 g
Maximum female mass
2,600 g
Minimum male mass
2,250 g
Maximum male mass
3,250 g
Minimum unsexed mass
No data
Maximum unsexed mass
No data
Average mass
2,487.5 g
Minimum elevation
No data
Typical lower elevation
1,050 m
Typical upper elevation
1,520 m
Maximum elevation
No data
Elevation range
470 m
Typical elevation
1,285 m
Record section
Ecology
Habitat, diet, and specialization profile.
Primary habitat
Grassland
Habitat breadth
5
Primary diet
Plant
Diet breadth
2
Diet specialization index
1
Record section
Behavior and Reproduction
Breeding, nesting, incubation, and social traits.
Social behavior
Pairs and family groups
Mating system
Monogamous
Cooperative breeding
No data
Nest type
Half cup, Saucer, Scrape
Nest substrate
Ground, Grass
Minimum broods per year
No data
Maximum broods per year
No data
Minimum clutch size
1
Maximum clutch size
3
Incubating sex
Both
Minimum incubation period
29 d
Maximum incubation period
31 d
Minimum fledging period
No data
Maximum fledging period
No data
Nest parasitism
No data
Average clutch size
2
Record section
Mobility and Flight
Flight ability and movement pattern.
Flight status
Flightless
Mobility patterns
Altitudinal Migrant, Irregular/Nomadic, Sedentary