Aleutian Tern

Aleutian Tern Onychoprion aleuticus

Range map: Breeding

Aleutian Tern, Range map: Breeding
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Data provided by eBird

Aleutian Tern

Onychoprion aleuticus

Range: Breeding

This map depicts the range boundary, defined as the areas where the species is estimated to occur at a rate of 5% or more for at least one week within the breeding season.  Learn more

Breeding season
Season date range
Jun 7 - Jul 20 Learn more
  • In progress. Learn more
  • Trends map: Non-breeding
  • Trends map: Breeding