Hoatzin, (Opisthocomus hoazin), primitive chicken-sized bird of South American swamps, principally in the Amazon and Orinoco river basins. The young possess two large claws on each wing, a trait that has led some scientists to link the species with the f
Herein, we report and discuss examples of another morphological and behavioural trait of camouflage, named recently as flatoidinisation syndrome23. This syndrome is now recognised from the family Mimarachnidae, preserved in mid-Cretaceous Burmese amber from northern Myanmar (Kachin State)24,25,26 ...
" says the paper's lead author Jacqueline Lungmus, a research assistant at Chicago's Field Museum and a doctoral candidate at the University of Chicago. "We were trying to understand where that comes from, if it's a recent trait or if this has been something special about the group...
1). Estimates of the monotreme–theria divergence time range between 160 and 210 Myr ago; here we will use 166 Myr ago, recently estimated from fossil and molecular data2. Figure 1: Emergence of traits along the mammalian lineage. Amniotes split into the sauropsids (leading to birds ...
An analogous process affected a culturally inherited trait, song type. This changed radically in frequency, apparently for reasons unconnected with properties of the song type itself; males singing one song ...
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A family rib tattoo is a beautiful way to celebrate the bond between father and son. The Sunset celebration tattoo features a loving image of the two holding hands, with birds in flight above them, and an idyllic scene of a peaceful sea beneath them as they watch the sun setting on their...
of species determinations. While the global collection of occurrence data of terrestrial fauna and flora has a long tradition, and conservation assessments of various animal groups already exist (e.g. mammals: Ceballos & Ehrlich,2006; birds: Stattersfield & Capper,2000; amphibians: Stuart et al....
There is another important trait of the kinetic symbol which involves the similarity in the way in which a gesture and the articulation of the sound are perceived by the student. The articulation of the sound provides kinesthetic feedback to the student, apart from the auditory feedback. Since...
(or what is left of them) in vertebrates, and have not been retained in mammals, birds or reptiles. Given the number of ECM2-like sequences and their own clustering with the SLRP1Cionagenes, away from classes I, II and III (Figure4), we propose a new SLRP class that includes ECM2...