Great Blue Heron

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by msmaggrella
Last updated 3 years ago

Discipline:
Science
Subject:
Zoology
Grade:
11

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Great Blue Heron

At risk??The current conservation status of the Great Blue Heron is Least Concern.

The Great Blue Heron’s range is located throughout Florida, Mexico, the Caribbean and South America, and many territories in North America.They prefer to live near bodies of water, both fresh and salt varieties. This species is commonly found among marshes, mangrove swamps, flooded meadows, edges of lakes and shorelines. Nesting takes place in trees and bushes near these sources of water. Most breeding colonies are located within 2 to 4 miles of feeding areas, often in isolated swamps or on islands, and near lakes and ponds bordered by forests.Their diet consists of shellfish, insects, rodents, amphibians, reptiles and small birds. The current conservation status of the Great Blue Heron is Least Concern.

Great Blue Heron

Genus/Specie:Ardea herodias

Measurements (Both Sexes)Length38.2–53.9 in97–137 cmWingspan65.7–79.1 in167–201 cmWeight74.1–88.2 oz 2100–2500 g

CharacteristicsThe adult Blue Heron is pale lavender-gray with darker feathers on it wings.They have a gray neck streaked with black, a white face, a pale crown and has long black head plumbs. It has a yellow-gray dagger-like bill. Its legs are grayish with pinkish thigh feathers. The sexes are similar although the male is larger than the female. It is the largest long-legged bird next to the crane. In flight, it has a slow wing beat and you will see it with its neck drawn in and its feet trailing. During breeding, the Great Blue Heron’s bill and lower legs change from yellow to orange and the area around the bill turns a bright blue.

Sourceshttp://wdfw.wa.gov/wildwatch/heroncam/heron_facts.htmlhttps://www.allaboutbirds.org/guide/Great_Blue_Heron/lifehistoryhttp://www.arkive.org/great-blue-heron/ardea-herodias/video-09a.htmlhttp://identify.whatbird.com/obj/31/overview/Great_Blue_Heron.aspx

Fun FactA group of herons has many collective nouns, including a "battery", "hedge", "pose", "rookery", and "scattering" of herons.

I chose the Great Blue Heron because I have seen it many times perched by my pond in my backyard and it is a graceful creature.

Reproduction TimelineHerons begin returning to a colony to breed in February and March. Nest building begins in March or April.Three to five pale, greenish-blue eggs are incubated for 25-29 days by both sexes.Young first fly at around 60 days of age and leave the nest at 65-90 days, at which time they are similar in size to adults.Great blue herons have one brood (clutch) per year, however, they may renest if their first clutch fails.


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