Dichotomous Key/Spheniscidae

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Key to Spheniscidae[edit]

  • 1: Yellow crest present on head.
  • 2: Yellow crest absent.

1[edit]

  • 3: Solid yellow stripe runs toward bill, almost touching it.
  • 4: Solid yellow stripe does not approach bill.

2[edit]

  • 7: Head and/or neck is partially yellow.
  • 8: No yellow is present on head or neck.

3[edit]

4[edit]

5[edit]

6[edit]

  • 14: Penguins of New Zealand and surrounding islands
  • 15: Penguins of the southern regions of the Atlantic and Indian Oceans.

7[edit]

8[edit]

  • Pygoscelis antarctica: Face is white with a single thin black stripe resembling a chin-strap.
  • 10: Face is alternating black and white, but not white with a single thin black stripe.

9[edit]

10[edit]

  • 11: Beak has spots of orange or red.
  • 12: Beak is black, white, and/or gray

11[edit]

  • Pygoscelis adeliae: Head completely black except for small white ring around eyes.
  • 13: White coloration present above and/or around eyes.

12[edit]

unfinished

  • ?Eudyptula albosignata?, White-flippered Penguin? subsp of E. minor?
  • Eudyptula minor, Little Blue Penguin
  • Spheniscus demersus, African Penguin
  • Spheniscus humboldti, Humboldt Penguin
  • Spheniscus magellanicus, Magellanic Penguin
  • Spheniscus mendiculus, Galapagos Penguin

13[edit]

  • Pygoscelis papua: Head black except for white splotch above eye; 75-90 centimeters in length; Birds of Antarctica.
  • Spheniscus mendiculus: Head various coloration, but usually with a white stripe going from the edge of the eye and curving back around to the chin; 50 centimeters in length; Birds of the Galapagos Islands.

14[edit]

15[edit]

unfinished