Results 101 to 110 of about 16,645 (235)
EcologiesLoeselia mexicana (Polemoniaceae) is a Mexican shrub with significant medicinal value since pre-Hispanic times. Despite its ethnobotanical importance and apparent role in supporting pollinator communities, detailed information about its reproductive ...
Liliana Mora-Hernández +4 more
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A Nontraditional Route to the Presidency [PDF]
, 2018 Miles Davis, the 20th president of Linfield College, discusses the transition to his new position and immersing himself in Linfield and Pacific Northwest ...
Davis, Laura
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Afforestation of tropical savannas has mixed consequences for bird communities
Conservation Science and Practice, Volume 8, Issue 5, May 2026.Moving beyond the prevailing binary perception of savanna afforestation being either ‘good’ or ‘bad’ for native biodiversity, our data suggests that plantations on the rainfall extremes should be viewed as important supplementary habitats for biodiversity.
Siddhant Mhetre +5 more
wiley +1 more source
BirdsBehavioral flexibility allows animals to adjust their behavior in response to environmental changes. Hummingbirds, with their tetrachromatic color vision and enlarged hippocampal formation, represent an excellent model for studying cognitive flexibility ...
Belgica Porras-Reyes +2 more
doaj +1 more source
, 2003 The purpose of this resource is to observe budburst on selected trees at a Land Cover or Phenology Site. All students will learn about hummingbird natural history and ecology.
The GLOBE Program, University Corporation for Atmospheric Research (UCAR)
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Journal of Anatomy, Volume 248, Issue 5, Page 873-887, May 2026.Psittaciformes exhibit high levels of morphological diversity, particularly in skull and beak structure, previously linked to diet and body size. Although there were some levels of significance between diet and beak shape, body mass was a much stronger co‐variate. Diet is not determining beak shape within the clade.
Shannon L. Harrison +2 more
wiley +1 more source
The changes in power requirements and muscle efficiency during elevated force production in the fruit fly Drosophila melanogaster [PDF]
, 1997 The limits of flight performance have been estimated in tethered Drosophila melanogaster by modulating power requirements in a 'virtual reality' flight arena.
Dickinson, Michael H. +1 more
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Territorial Defense against Hummingbirds and Insects by Tropical Hummingbirds
The Condor, 1978 problems of observing them at close range and the variability of their behavior. Territorial hummingbirds are ideally suited for the study of time and energy budgets for the following reasons. (1) Their daily activities are usually quite localized. (2) They are not affected by the presence of a quiet observer and consequently can be observed at close ...
openaire +2 more sources
NOU Spring Field Days and Annual Meeting, Kimball, May 20–22, 2016 [PDF]
, 2016 The annual meeting of the Nebraska Ornithologists\u27 Union was held at the Kimball Event Center on May 20–22, 2016, and was organized by Robin Harding and Betty Grenon.
Paseka, Janis
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Revista Mexicana de Biodiversidad, 2011 The global climatic change could cause, in some places, appearance of meteorological phenomena considered rare. If we understand the effect of these phenomena on birds we can understand how birds respond to weather changes. We report here the effect of a
Román Díaz-Valenzuela +1 more
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