Striated Thornbill was created in 1838.
Mountain Thornbill was created in 1905.
Western Thornbill was created in 1841.
Brown Thornbill was created in 1790.
Tasmanian Thornbill was created in 1844.
Inland Thornbill was created in 1847.
Buff-rumped Thornbill was created in 1827.
Slaty-backed Thornbill was created in 1903.
New Guinea Thornbill was created in 1897.
Slender-billed Thornbill was created in 1911.
Yellow-rumped Thornbill was created in 1830.
Striated Pardalote was created in 1789.
They are striated because striated means kind of stripey and the muscles has stripes of muscle itself.