This species is a part of a subgroup of orioles ( Clade A ) that includes the North American orchard oriole, " Icterus spurius ", and the hooded oriole, " Icterus cucullatus ".
12.
Baltimore orioles, or Icterus galbula, were once so numerous that naturalist painter John J . Audubon wrote of the delight of " the melody resulting from thousands of musical voices that come from some neighboring tree ."
13.
As the levels of bilirubin ( a byproduct of red blood cell lysis ) continue to increase, the visible mucous membranes become yellow in color ( icterus ) due to the failure of the liver to metabolize the excess bilirubin.
14.
The country's national bird, the Montserrat oriole ( " Icterus oberi " ), and the giant ditch frog ( " Leptodactylus fallax " ), are now living and breeding successfully in Jersey.
15.
Observations of interbreeding between the Baltimore oriole and the western Bullock's oriole, " Icterus bullockii ", led to both being classified as a single species, called the "'northern oriole, "'from 1973-1995.
16.
The closely related Hispaniolan oriole ( " Icterus dominicensis " ) and Bahama oriole ( " Icterus northropi " ) have more yellow on their bodies, but, the Cuban oriole ( " Icterus melanopsis " ) has more black.
17.
The closely related Hispaniolan oriole ( " Icterus dominicensis " ) and Bahama oriole ( " Icterus northropi " ) have more yellow on their bodies, but, the Cuban oriole ( " Icterus melanopsis " ) has more black.
18.
The closely related Hispaniolan oriole ( " Icterus dominicensis " ) and Bahama oriole ( " Icterus northropi " ) have more yellow on their bodies, but, the Cuban oriole ( " Icterus melanopsis " ) has more black.
19.
The "'streak-backed oriole "'( " Icterus pustulatus " ) is a medium-sized species of passerine bird from the icterid blackbirds, meadowlarks, cowbirds, grackles, and others, including the New World orioles ).
20.
The "'Montserrat oriole "'( " Icterus oberi " ) is a medium-sized black-and-yellow icterid ( the same family as many blackbirds, meadowlarks, cowbirds, grackles, and others, including the New World orioles ).
