World Species : Ardea alba (Great Egret)

Ardea alba (Great Egret)

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Synonyms: Ardea alba checklist; Casmerodius albus; Casmerodius albus albus; Egretta alba

Uniqueness Scale: Similiar (0)

Unique (100)

Uniqueness & Vulnerability Scale: Similiar & Secure (0)

Unique & Vulnerable (100)

ED Score: 15.1374

EDGE Score: 2.78114

Learn more at EDGE of Existence programme

Clutch Size ^[9]	4
Clutches / Year ^[7]	2
Fledging ^[6]	41 days
Incubation ^[7]	23 days
Mating System ^[4]	Monogamy
Maximum Longevity ^[7]	23 years
Snout to Vent Length ^[6]	37 inches (94 cm)
Speed ^[10]	22.817 MPH (10.2 m/s)
Water Biome ^[1]	Lakes and Ponds, Rivers and Streams, Coastal, Brackish Water
Wing Span ^[10]	4.723 feet (1.44 m)

Adult Weight ^[2]	2.194 lbs (995 g)
Birth Weight ^[4]	61 grams
Female Weight ^[8]	1.79 lbs (812 g)
Male Weight ^[8]	2.061 lbs (935 g)
Weight Dimorphism ^[8]	15.1 %

Breeding Habitat ^[3]	Wetlands
Wintering Geography ^[3]	Widespread
Wintering Habitat ^[3]	Wetlands, Coastal saltmarshes, Agricultural

Diet ^[5]	Carnivore (Invertebrates), Carnivore (Vertebrates), Piscivore
Diet - Ectothermic ^[5]	30 %
Diet - Endothermic ^[5]	10 %
Diet - Fish ^[5]	20 %
Diet - Invertibrates ^[5]	40 %
Forages - Ground ^[5]	50 %
Forages - Water Surface ^[5]	50 %

Female Maturity ^[7]	2 years
Male Maturity ^[7]	2 years