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The black bulbul (Hypsipetes leucocephalus), also known as the Himalayan black bulbul or Asian black bulbul, is a member of the bulbul family of passerine birds. It is found primarily in the Himalayas , its range stretching from Pakistan eastward to Southeast Asia .
The square-tailed bulbul (Hypsipetes ganeesa) is a species of songbird in the bulbul family, Pycnonotidae. It is found in south-western India and Sri Lanka. Its natural habitat is subtropical or tropical moist montane forests. It was previously classified as a subspecies of the black bulbul.
This was a replacement name for Ixocincla virescens Blyth 1845 which was preoccupied in Hypsipetes by Ixos virescens Temminck, 1825, the Javan bulbul. [2] [3] [4] The Nicobar bulbul was formerly usually placed in the genus Ixos but was moved to Hypsipetes based on a molecular phylogenetic study published in 2024. [5]
The Sangihe golden bulbul (Hypsipetes platenae) is a species of passerine bird in the bulbul family Pycnonotidae. It is endemic to the Sangihe Islands which lie northeast of Sulawesi in Indonesia. Its natural habitat is subtropical or tropical moist lowland forests .
The archaeobatrachians are the most primitive of frogs. These frogs have morphological characteristics which are found mostly in extinct frogs, and are absent in most of the modern frog species. Most of these characteristics are not common between all the families of Archaeobatrachia, or are not absent from all the modern species of frogs.
This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of cell biology, Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology ...
The hierarchy of biological classification's eight major taxonomic ranks. A genus contains one or more species. Minor intermediate ranks are not shown. A species (pl.: species) is a population of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. [1]
A species complex is typically considered as a group of close, but distinct species. [5] Obviously, the concept is closely tied to the definition of a species. Modern biology understands a species as "separately evolving metapopulation lineage" but acknowledges that the criteria to delimit species may depend on the group studied. [6]