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All years Observers: 1405 Cards: 103399 Records: 5463378 Incidentals: 425723 Pentads: 12933 (74.68%)
2014 Observers: 396 Cards: 4829 Records: 256382 Incidentals: 21820 Pentads: 2336 (13.49%)
AutumnMAP Observers: 281 Cards: 1979 Records: 100239 Incidentals: 7736 Pentads: 1239 (7.15%)
White-winged Tern
(Chlidonias leucopterus)
  • Google map of distribution

  • SABAP2 Distribution (Static)
      Map showing the current distribution of records for the White-winged Tern

  • SABAP2 vs SABAP1
      Map showing the distribution changes between SABAP1 and SABAP2.

  • SABAP1 distribution
      Smoothed SABAP1 distribution

  • SABAP1 Texts
      PDF of the SABAP1 pages for the species.
  • Map showing the distribution changes between SABAP2 and SABAP1

    RED and ORANGE signify either the species is absent in SABAP2 where it was reported in SABAP1 (Red), or its reporting rate is lower in SABAP2 than it was in SABAP1 (Orange).

    GREEN and BLUE show areas that have increased reporting rates (green) or 'new' range where it was not reported during SABAP1 (Blue).

    PURPLE shows the distribution areas from SABAP1 where SABAP2 does not have sufficient data presently.

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