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ADU no.
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All years Observers: 1404 Cards: 103238 Records: 5456050 Incidentals: 424862 Pentads: 12919 (74.60%)
2014 Observers: 393 Cards: 4668 Records: 249054 Incidentals: 20961 Pentads: 2262 (13.06%)
AutumnMAP Observers: 277 Cards: 1830 Records: 93575 Incidentals: 6877 Pentads: 1160 (6.70%)
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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