Millerbird
A species of Reed-warblers, Also known as Nihoa Millerbird Scientific name : Acrocephalus familiaris Genus : Reed-warblers
Millerbird, A species of Reed-warblers
Also known as:
Nihoa Millerbird
Botanical name: Acrocephalus familiaris
Genus: Reed-warblers
Content
Description General Info
Photo By R Kohley of U.S. Fish & Wildlife Service - Pacific Region\'s , used under CC-BY-2.0 /Cropped and compressed from original 
Description
The millerbird is a critically endangered species of bird only found in Hawaii - specifically in the Hawaiian Islands National Wildlife Refuge and Papahanaumokuakea Marine National Monument. Mating pairs form long-term bonds and defend a large territory. The millerbird had two subspecies, Acrocephalus familiaris kingi and Acrocephalus familiaris familiaris, though the latter has unfortunately gone extinct.
Size
13 cm
Life Expectancy
5 years
Feeding Habits
Millerbird primarily consumes insects, including larvae, moths, caterpillars, flies, grasshoppers, small beetles, and leafhoppers, exhibiting specialized foraging techniques that are adapted to its habitat.
Habitat
The millerbird typically inhabits low open grasslands and wetland vegetations within the Northwestern Hawaiian Islands. Their environment includes steep, rocky terrains with scrubby vegetation, bordered by steep cliffs, and varying elevations up to 277 meters. The habitat features a mild average temperature of 24°C and annual rainfall ranging between 660 to 1,372 mm. Freshwater seeps, both permanent and intermittent, are present, adding to the habitat's diversity. Vegetation primarily comprises shrubs such as ‘āweoweo and ‘ilima, as well as bunchgrasses like kāwelu, with the millerbird showing a preference for dense cover near the ground. Despite drastic alterations to the original habitat by human actions and introduced species like rabbits, which led to the extinction of various endemic species and significant vegetation changes, the habitat has since recovered, although species compositions differ from the past.
Dite type
Insectivorous
General Info
Feeding Habits
Bird Feeder Type
Platform
Photo By R Kohley of U.S. Fish & Wildlife Service - Pacific Region\'s , used under CC-BY-2.0 /Cropped and compressed from original 
Scientific Classification
Phylum
Chordates Class
Birds Order
Perching birds Family
Reed warblers Genus
Reed-warblers Species
Millerbird 
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