Tag: "owl" at biology news
Male owls pitch their hoots to advertise body weight to competitors
...d Guy Burneleau have been studying the local scops owl
population since 1981. The authors have analyzed several hundreds of hoots recorded from 17 territorial males and demonstrated that the pitch of the vocalization reflects the body weight of the male: the heavier the male, the lower the pitch of his...
Eavesdropping nuthatches distinguish danger threats in chickadee alarm calls
... predator. Small, agile raptors such as the pygmy owl
which can prey on small songbirds present a greate...mall predator alarm than when they heard the large owl
alarm. "It turns out that these animals are pretty smart," said Templeton. "Knowing what kinds of ...
Early to bed, early to rise
...up very early. "Being a morning lark or a night owl
is something encoded in people's genes and we here made substantial progress to uncover the molecular basis for that," explains Dr. Kramer. FASPS is a dominantly inherited circadian rhythm disorder in which patients' inborn biological clock (or cir...
News tips from the Journal of Neuroscience
...,and Eric I. Knudsen The eyes and ears of the barn owl
providea formidable adversary for the barnmouse. To examine this elegant system,the precise alignment of topographical maps of visual and auditory space in theoptic tectum can be perturbed withprism-containing goggles. Juvenile owlsreadily adapt thei...
NASA technology monitors wildlife habitats from the air
...pecies around the world, like the northern spotted owl
that typically resides in old forests in Oregon and California, where trees are more than 100 years old....
Chickadees' alarm calls carry information about size, threat of predators
...ed in size from large owls, such as the great gray owl
and great horned owl
that usually feed on small mammals, to the small pygmy-owl and the American kestrel that hunt small ...
Scientists discover odd-ball rodent
... hunters, and also identified bone fragments in an owl
pellet. Based on morphological differences in the skull and bone structure, coupled with DNA analysis, the authors estimate that the Kha-Nyou diverged from other rodents millions of years ago. "To find something so distinct in this day and age is ju...
Northwest forest plan research and monitoring to be shared during 2-day conference
...million acres in the range of the northern spotted owl
were placed under the Northwest Forest Plan (NWFP) in 1994. The plan was implemented on land managed by the Forest Service, Bureau of Land Management, and other federal agencies. Much has been learned since that time. A conference, Science and the No...
Early life stress harms mental function and immune system in later years
...enomenon is conserved across species-from the barn owl
to rodents to humans-suggesting that these effects are mediated by fundamental mechanisms. The new research was presented at the 34th Society for Neuroscience annual meeting in San Diego Insight into one potential mechanism comes from studies sh...