Results 81 to 90 of about 6,875 (169)
The link between colorfulness and extinction risk across the world's passerine birds
Conservation Biology, Volume 40, Issue 5, October 2026.Abstract Many of the functional traits that mediate extinction risk across the range of biodiversity relate indirectly to a species’ ability to persist in a changing world, yet certain traits such as coloration directly affect human interactions with wildlife.
Montague H. C. Neate‐Clegg +1 more
wiley +1 more source
Brazilian Journal of BiologyThe hummingbird-visited plant community located on the open-habitat mountaintop of the Espinhaço Range was studied for two years (from August 2007 to July 2009) in Serra do Cipó National Park, Southeastern Brazil (19° 15′ S and 43° 31′ W).
LC Rodrigues, M Rodrigues
doaj +1 more source
Zoologia (Curitiba), 2018 Using track analysis and cladistic biogeography, we identified areas of endemism of hummingbirds in the Andean and Neotropical regions. Our results point out that the current areas of endemism of hummingbirds occur in the Andes, Guiana Shield, the Lesser
Daiane Ouvernay +2 more
doaj +1 more source
Visual control of hovering in Anna's hummingbirds
, 2017 Relatively little is known about how sensory information is used for controlling flight in birds. A powerful method is to immerse an animal in a dynamic virtual reality environment to examine behavioral responses.
Goller, Benjamin
core +1 more source
Effect of artificial feeders on pollen loads of the hummingbirds of Cerro de La Muerte, Costa Rica
Revista de Biología Tropical, 2012 Although sugar-water feeders are commonly used by enthusiasts to attract hummingbirds, little is known about how they affect hummingbird behavior and flower use.
Gerardo Avalos +2 more
doaj
Acta Botânica Brasílica, 2015 We studied the pollination biology of Canna paniculata (Cannaceae), a plant species common in the Atlantic Rainforest of southeastern Brazil. The species presents specialized ornithophilous flowers, which in our study area are solely pollinated by the ...
Pietro Kiyoshi Maruyama +3 more
doaj +1 more source
Field Flight Dynamics of Hummingbirds during Territory Encroachment and Defense.
PLoS ONE, 2015 Hummingbirds are known to defend food resources such as nectar sources from encroachment by competitors (including conspecifics). These competitive intraspecific interactions provide an opportunity to quantify the biomechanics of hummingbird flight ...
Katherine M Sholtis +2 more
doaj +1 more source
The mechanisms and ecology of water balance in hummingbirds [PDF]
, 2007 Hummingbirds are confronted with an osmoregulatory dilemma: when feeding, their high rates of water intake require them to eliminate ingested water quickly; yet, during fasts, their capacity to eliminate water makes them susceptible to dehydration ...
Bakken, Bradley Hartman +1 more
core
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
doaj +1 more source