Abstracts - faqs.org

Abstracts

Biological sciences

Search abstracts:
Abstracts » Biological sciences

Geographic, ecological and subspecific variations in the song of the Rufous-Browed Peppershrike (Cyclarhis Gujanensis)

Article Abstract:

The Rufous-Browed Peppershrike (Cyclarhis Gujanensis) has a repertoire of almost seven songs. The song structure varies according to habitat as revealed by a multivariate analysis of variance after removing the effect of latitude and altitude. There are considerable linkages between principal component values and latitudes, which suggests that songs from equatorial areas are shorter in duration, have optimum frequency and number of syllables and are less repetitive when compared with those from the temperate areas.

Author: Tubaro, Pablo L., Segura, Enrique T.
Publisher: Cooper Ornithological Society
Publication Name: The Condor
Subject: Biological sciences
ISSN: 0010-5422
Year: 1995
Influence, Physical geography

User Contributions:

Comment about this article or add new information about this topic:

CAPTCHA


Intraspecific variation and evolutionaly reduction of tendon ossification in Dendrocincla Woodcreepers

Article Abstract:

A comparative study of the levels of intraspecific variation and evolutionary reduction of tendon ossification in Dendrocincla Woodcreepers revealed to have reduced tendon ossification. However, variation in tendon ossification was greater in certain parts of the hindlimb muscles. This condition provides an example of extensive intraspecific variation in the hindlimb myology of passerines.

Author: Raikow, Robert J., Bledsoe, Anthony H., Crowell, Loretta S.
Publisher: Cooper Ornithological Society
Publication Name: The Condor
Subject: Biological sciences
ISSN: 0010-5422
Year: 1997
Analysis, Passeriformes, Perching birds, Phylogeny, Ossification

User Contributions:

Comment about this article or add new information about this topic:

CAPTCHA


Does beak size affect acoustic frequencies in Woodcreepers?

Article Abstract:

Research is presented concerning the differences in song which occur with differences in beak morphology in the Woodcreeper. The negative relationships existing between beak size and song frequencies are discussed.

Author: Palacios, Maria G., Tubaro, Pablo L.
Publisher: Cooper Ornithological Society
Publication Name: The Condor
Subject: Biological sciences
ISSN: 0010-5422
Year: 2000
Sound production by animals, Animal vocalization, Resonance, Resonance (Physics), Beak

User Contributions:

Comment about this article or add new information about this topic:

CAPTCHA


Subjects list: Research, Birdsongs
Similar abstracts:
  • Abstracts: Staphylococcal cell wall: morphogenesis and fatal variations in the presence of penicillin. Mapping the pathways to staphylococcal pathogenesis by comparative secretomics
  • Abstracts: Hedgehog signaling and the retina: Insights into the mechanisms controlling the proliferative properties of neural precursors
  • Abstracts: Microsatellite DNA variation reveals high gene flow and panmictic populations in the Adriatic shared stocks of the European squid and cuttlefish (Cephalopoda)
  • Abstracts: Hedgehog, transmitted along retinal axons, triggers neurogenesis in the developing visual centers of the Drosophila brain
  • Abstracts: The phylogenetic relationships of the Margarornis assemblage (Furnariidae). The phylogenetic approach to avian life histories: An important complement to within-population studies
This website is not affiliated with document authors or copyright owners. This page is provided for informational purposes only. Unintentional errors are possible.
Some parts © 2023 Advameg, Inc.