Dichotomous Key/Spheniscidae

Key to Spheniscidae 1: Yellow crest present on head. 2: Yellow crest absent. 1 3: Solid yellow stripe runs toward bill, almost touching it. 4: Solid yellow stripe does not approach bill. 2 7: Head and/or neck is partially yellow. 8: No yellow is present on head or neck. 3 Eudyptes schlegeli (Royal Penguin): Some or all of head is white. 6: Head is entirely black. 4 Eudyptes schlegeli (Royal Penguin): Part or all of head is white. 5: Head is entirely black. 5 Eudyptes chrysolophus (Macaroni Penguin): When dry, some of crest is pointed well above the horizontal. Eudyptes filholi (Eastern Rockhopper Penguin): All of crest is more or less horizontal or below. 6 14: Penguins of New Zealand and surrounding islands 15: Penguins of the southern regions of the Atlantic and Indian Oceans. 7 Megadyptes antipodes (Yellow-eyed Penguin): 80 centimeters or less in length. 9: Length is over 80 centimeters. 8 Pygoscelis antarctica (Chinstrap Penguin): 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 Aptenodytes forsteri (Emperor Penguin): Head and neck only slightly yellow; Height is over 100 centimeters. Aptenodytes patagonicus (King Penguin): Head and neck have bright orange-yellow spots; Length is less than 100 centimeters. 10 11: Beak has spots of orange or red. 12: Beak is black, white, and/or gray 11 Pygoscelis adeliae: Head completely black except for small white ring around eyes. 13: White coloration present above and/or around eyes. 12 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 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 Eudyptes pachyrhynchus: Pink skin absent at base of bill; Usually with whitish stripes on cheeks. Eudyptes robustus: Pink skin present at base of bill; No stripes on cheeks. 15 unfinished Eudyptes chrysocome: Eudyptes moseleyi: __NOTOC__