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Snapshot
Primary Traits
73.2 g
0 m - 1,540 m
49
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Record section
Identity and Taxonomy
Scientific identity, taxonomic placement, and source lineage.
Scientific name
Chlidonias niger
English name
Black Tern
Order
Charadriiformes
Family
Laridae
Genus
Chlidonias
Species
niger
Data source
HBW3, BOTW, D07
Record section
Conservation and Range
Threat status and geographic distribution signals.
Conservation status
Least Concern
Range restricted
No
Island endemic
No
Biogeographic realm
Cosmopolitan
Latitudinal zone
Tropical-Temperate
Record section
Measurements
Mass and elevation values from the stored record.
Minimum female mass
No data
Maximum female mass
No data
Minimum male mass
No data
Maximum male mass
No data
Minimum unsexed mass
60 g
Maximum unsexed mass
86 g
Average mass
73.2 g
Minimum elevation
No data
Typical lower elevation
0 m
Typical upper elevation
1,540 m
Maximum elevation
No data
Elevation range
1,540 m
Typical elevation
770 m
Record section
Ecology
Habitat, diet, and specialization profile.
Primary habitat
Wetland
Habitat breadth
3
Primary diet
Fish
Diet breadth
2
Diet specialization index
1.22
Record section
Behavior and Reproduction
Breeding, nesting, incubation, and social traits.
Social behavior
Colonial
Mating system
Monogamous
Cooperative breeding
Solitary breeder
Nest type
Platform
Nest substrate
Building, Nest, Water
Minimum broods per year
1
Maximum broods per year
No data
Minimum clutch size
2
Maximum clutch size
3
Incubating sex
Both
Minimum incubation period
20 d
Maximum incubation period
23 d
Minimum fledging period
22 d
Maximum fledging period
25 d
Nest parasitism
No data
Average clutch size
2.5
Average fledging period
23.5 d
Record section
Mobility and Flight
Flight ability and movement pattern.
Flight status
Flies
Mobility patterns
Migratory, Dispersive