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Scarlet Ibis

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by

Bet Bujiang

on 17 April 2014

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Transcript of Scarlet Ibis

Scarlet Ibis
H Bet Bujiang
Ornithology
Characteristics/ distinctive traits
Adult: solid bright Scarlet except for black ends of 4 outer primaries.
Young: grayish-brown with white underparts.
Tail is short & stubby.
Thin, down-curved bill
webbed feet
Sexual Dimorphism: sexes alike; male larger
Characterized by its stunning red plumage and its glossy blue-black wing tips
Bright red color fades to pink in captive zoo birds, unless they are given a specific diet
Coloration, Shape, & Size
Females and males are identical in coloration
Male's body size and bill length are much larger
Bright red color of the Scarlet Ibis depends on their diets of high proteins; crustaceans!
weight: 615 g
wingspan: 52.1-56.1 cm
length: 55.8-76.2 cm
Food!
Primary Diet: carnivore
Animal Foods: amphibians; reptiles; fish; aquatic insects, mollusks; aquatic crustaceans,Crayfish and small crabs
defend itself?/ predators?
Fights with their beak, legs, and wings against enemies in order to protect themselves and their offspring.
Stays together in large groups
Male uses their large size to defend their young and female mates.
large grouping = warning calls to warn dangers to others.
Habitat
Swampy environments such as mud flats and shallow bays.
Habitat Regions: tropical, terrestrial
Wetlands: marsh & swamp
Aquatic Biomass: rivers and streams; coastal ; brackish water
Ecosystem
Aggressive & territorial
Large colonial = 2000 nests
Contributes significantly to the energy flow of organisms
forages for food with many other types of wading birds, such as storks and spoonbills.
sharing feeding Communally = hiding from predators & food benefit
Economic Importance for Humans: Positive; food & body parts are valuable sources.
Economic Importance for Humans: Negative; household pest
Nesting/reproduction
Males use displays of preening, flights, head rubbing, and a rocking motion to attract mates
1male w/ several females (polygamous)
colonial and social breeding system
Nests are built close to one another with more than one per tree/ reduce predation
Breeding: September -December ( once yearly)
eggs/smooth not glossy
Range eggs per season: 3 to 5.
Range time to hatching: 19 to 23 days.
Average time to independence: 75 days.
Migration
National bird of Trinidad & Tobago
northern South America, stretching from Venezuela to Eastern Brazil.
It is nomadic, with seasonal shifts and migrations between different coastal locations and interior wetlands.
Predators: Large cats, Falcons, and Humans.
Communication
Honking noise to communicate disturbances in the nest and also uses the noise in courtship
Young have a shrill cry, that they use to let parents know that they are in need of food\
Flocks in a classic V formation.
Exhibit
wild vs. Zoo
Changes in ZOO?
Environment change --> swamp, mud flat, or shallow bay. --> produce nest and built habitat.
larger space --> allow Scarlet Ibis to move freely.
When kept in zoos, the birds' diet often contains beetroot and carrot supplement to maintain color vibrant in their plumage.--> crustaceans diets
Full transcript