Bald eagles are the largest semi-altricial birds in Norther America, weighing 60 grams at hatching and gaining up to 180 grams per day.
Bald eagles are the largest semi-altricial birds in North America and weigh approximately 60 grams at hatching. They may gain up to 180 grams per day.
• Image | ©️ Tony’s Takes, Some Rights Reserved, (CC BY-NC-ND 2.0)
• Sources | (Bortolotti, 1984b; Buehler, 2020; Burnie & Wilson, 2001; Gill, 2006; Jenkins & Jackman, 2006; Millsap, et al., 2004; Siciliano Martina, 2013)
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