Sökning: "kolibri"

Hittade 2 avhandlingar innehållade ordet kolibri.

1. 1. Behavioural energetics : acquisition and use of energy by hummingbirds

   Författare :Staffan Tamm; Stockholms universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; hummingbirds; kolibri;

   Sammanfattning : .... LÄS MER

3. 2. Visual ecology of insect superposition eyes

   Författare :Pär A Brännström; Biologiska institutionen; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Animal physiology; tiger beetle; hawkmoth; mayfly; insect; visual ecology; eye design; vision; compound eye; Djurfysiologi;

   Sammanfattning : In the superposition compound eye each rhabdom (light sensitive unit) receives light through many ommatidial facets, while in the apposition compound eye every rhabdom receives light from a single facet. The superposition design increases photon capture, which is an advantage in dark environments. LÄS MER