Table 1 Census summary. ‘N1’: \(\le \)5% error; ‘N2’\(\pm \):10% error; ‘N4’: \(\pm \)50% error.

From: Multi-modal survey of Adélie penguin mega-colonies reveals the Danger Islands as a seabird hotspot

 

Beagle

Brash

Comb

Darwin

Dixey Rock

Earle

Heroína

Platter

Scud Rock

Pygoscelis adeliae

284535 (N2)

94951 (N2)

12000# (N4)

5804# (N1)

0 (N1)

21071 (N2)

292363 (N2)

40803 (N1)

0 (N1)

Pygoscelis papua

0 (N1)

2270 (N1)

186 (N1)

0 (N1)

0 (N1)

847 (N1)

999 (N1)

223 (N1)

0 (N1)

Pygoscelis antarctica

0 (N1)

0 (N1)

0 (N1)

0 (N1)

0 (N1)

0 (N1)

27 (N1)

0 (N1)

0 (N1)

Phalacrocorax atriceps

    

0 (N1)

156 (N1)

  

0 (N1)

  1. First direct census of this location; Count from drone imagery; #Count from ground or ship-based photography.