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All years Observers: 1223 Cards: 87513 Records: 4627239 Incidentals: 355639 Pentads: 11770 (67.96%)
2013 Observers: 419 Cards: 5918 Records: 304041 Incidentals: 25271 Pentads: 2523 (14.57%)
WinterMAP Observers: 186 Cards: 716 Records: 32514 Incidentals: 3433 Pentads: 534 (3.08%)
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 of the SABAP2 distribution, overlaid on the SABAP1 distribution
    Seasonal variation in reporting rates
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    © Animal Demography Unit 2011 Department of Zoology - University of Cape Town
    website by michael brooks