News articles tagged with 'nocturnal'
Owl monkeys need moonlight as much as a biological clock for nocturnal activity
— 4 Sep 2010 10:06 | BiologyAn international collaboration led by a University of Pennsylvania anthropologist has shown that environmental factors, like temperature and light, play as much of a role in the activity…
Small evolutionary shifts make big impacts - like developing night vision
— 21 May 2009 12:52 | BiologyIn the developing foetus, cell growth follows a very specific schedule. In the eye's retina, for example, cones - which help distinguish colour during the day - develop before the more…
New insight into primate eye evolution
— 19 May 2009 13:39 | BiologyResearchers comparing the foetal development of the eye of the owl monkey with that of the capuchin monkey have found that only a minor difference in the timing of cell proliferation…
When every photon counts
— 21 Apr 2009 11:23 | BiologyThe eyes of nocturnal mammals contain particularly large numbers of the highly light-sensitive rods, the photoreceptor type used for night vision. This allows the detection of light…
A secret to night vision found in DNA's unconventional 'architecture'
— 17 Apr 2009 08:35 | BiologyResearchers have discovered an important element for making night vision possible in nocturnal mammals: the DNA within the photoreceptor rod cells responsible for low light vision is…
Owls' dawn and dusk concerts promote visual communication
— 8 Apr 2009 12:40 | BiologyReporting in the online, open-access journal PLoS ONE 8 April, Vincenzo Penteriani and Maria Delgado of the Estacion Biologica de Donana, Spain, describe the evolution of white throat…
Foul owls use faeces to show they are in fine feather
— 20 Aug 2008 13:11 | BiologySome years ago, within the Department of Conservation Biology of the Estacion Biologica de Donana (EBD-Consejo Superior de Investigaciones Cientificas; Seville, Spain), a recently established…
Lemurs' evolutionary history may shed light on our own
— 26 Feb 2008 20:41 | BiologyAfter swabbing the cheeks of more than 200 lemurs and related primates to collect their DNA, researchers at the Duke Institute for Genome Sciences and Policy (IGSP) and Duke Lemur Centre…
Nocturnal songbirds not singing praises of wind energy
— 11 Nov 2007 11:48 | EnvironmentWind energy is one of the fastest growing sectors of the energy industry, but not without environmental consequences. Nocturnally active birds and bats have become prey to turbines,…
Fruit bats are not blind
— 15 Jun 2007 15:35 | BiologyThe retinas of most mammals contain two types of photoreceptor cells, the cones for daylight vision and colour vision, and the more sensitive rods for night vision. Nocturnal bats were…
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