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All years Observers: 1221 Cards: 87347 Records: 4619119 Incidentals: 355092 Pentads: 11763 (67.92%)
2013 Observers: 410 Cards: 5756 Records: 296205 Incidentals: 24770 Pentads: 2491 (14.38%)
WinterMAP Observers: 167 Cards: 579 Records: 26143 Incidentals: 2961 Pentads: 457 (2.64%)
Black-necked Grebe
(Podiceps nigricollis)
  • Google map of distribution

  • SABAP2 Distribution (Static)
      Map showing the current distribution of records for the Black-necked Grebe

  • 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
    Map showing the derived reporting rates from SABAP2 and SABAP1
    Map showing the data sources for the derived reporting rates between SABAP2 and SABAP1
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    © Animal Demography Unit 2011 Department of Zoology - University of Cape Town
    website by michael brooks