Pygoscelis adaliae

body mass

• Bergtold 1917: 42.5 oz (single measurement)

body temperature

• Bergtold 1917: 102.5 degrees fahrenheit (single measurement)

egg mass

• Bergtold 1917: 4.56 oz (single measurement)
• Bergtold 1917: 4.8 oz (single measurement)

prenatal development duration

• Bergtold 1917: 36 days (max)
• Bergtold 1917: 37 days (single measurement)
• Bergtold 1917: 33 days (min)
• Bergtold 1917: 31 days (single measurement)
• Bergtold 1917: 34 days (single measurement)