passerines
grrlscientist | June 26, 2008tags: researchblogging.org, Early Bird Project, Tree of Life, avian evolution, deep avian evolutionary relationships, avian phylogenomics, location cues, Shannon J. Hackett, Rebecca T. Kimball, Sushma Reddy
Basic topology of the evolutionary relationships between birds.
Maximum Likelihood (ML) phylogram reveals the short internodes at the base of Neoaves and highlights certain extreme examples of rate variation across avian lineages. The phylogenetic tree was rooted to crocodilian outgroups (not shown). Branch colors represent major clades supported in this study: land birds (green),…
grrlscientist | April 30, 2008tags: Yellow-Throated Laughing Thrush, Garrulax galbanus, birds, Image of the Day
This is the third in a series of passerine images by this photographer.
Yellow-Throated Laughing Thrush, Garrulax galbanus.
Image: John Del Rio. [larger view].
grrlscientist | April 29, 2008tags: Melba Waxbill, Pytilia melba, birds, Image of the Day
This is the second image in a series of passerine images by this photographer.
Melba Finch, Pytilia melba, also known as the Melba Waxbill or the Green-winged Pytilia.
Image: John Del Rio. [larger view].
grrlscientist | April 28, 2008tags: Turquoise Tanager, Tangara mexicana, birds, Image of the Day
This is the first in a series of passerine images by this photographer.
Turquoise Tanager, Tangara mexicana.
Image: John Del Rio. [larger view].