Caspian Tern
Hydroprogne caspia (Pallas, 1770)
CJ
CASTE
6060
Family: Charadriiformes > Laridae
Distinctive, with a huge red bill and shaggy black crest, this is the largest of the terns; it is a regular but scarce visitor, mostly occurring during the summer months.
Select a topic for more facts and statistics about the Caspian Tern
BTO RECORDS
BTO RECORDS
Identification
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Browse training coursesStatus and Trends
Population size and trends and patterns of distribution based on BTO surveys and atlases with data collected by BTO volunteers.
CONSERVATION STATUS
This species can be found on the following statutory and conservation listings and schedules.
| Species of European Conservation Concern | Least Concern |
| IUCN Red List of Threatened Species (global) |
Least Concern 
|
| Schedule 1 license required (to disturb) | No |
| Birds Directive Annex 1 | No |
POPULATION SIZE
We have no population estimates for this scarce species.
| BOU Category | A |
|
First Record
|
Norfolk, 1825 |
DISTRIBUTION
This species is a rare vagrant and was recorded during Bird Atlas 2007–11 as shown on the map.
More from the Atlas Mapstore.
SEASONALITY
Caspian Terns are scarce migrants, with a handful of nomadic individuals recorded most summers.
Movement
Information about movement and migration based on online bird portals (e.g. BirdTrack), Ringing schemes and tracking studies.
RINGING RECOVERIES
View a summary of recoveries in the Online Ringing Report.
Foreign locations of birds ringed or recovered in Britain & Ireland
Biology
Lifecycle and body size information about Caspian Tern, including statistics on nesting, eggs and lifespan based on BTO ringing and nest recording data.
PRODUCTIVITY & NESTING
Sample sizes are too small to report Productivity and Nesting statistics for this species.
BIOMETRICS
Sample sizes are too small to report Biometrics for this species.
Feather measurements and photos on featherbase
CODES & CLASSIFICATION
|
Field Codes
|
2-letter: CJ | 5-letter code: CASTE | Euring: 6060 |
For information in another language (where available) click on a linked name
Links to more studies from ConservationEvidence.com
- Effectiveness of disturbance methods and egg removal to deter large gulls Larus spp. from competing with nesting terns Sterna spp. on Coquet Island RSPB reserve, Northumberland, England
- Numbers of waterbirds at a commercial saltpan, and suggestions for management
- Rotator for protecting circular fish ponds against predatory birds
Read more studies about Caspian Tern on Conservation Evidence >
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