Recent Videos

  • Daytime Hunting of Barred Owl (Strix varia)

    Daytime Hunting of Barred Owl (Strix varia)

    On April 16th 2011, a barred owl glided over my head while I was filming something else along the Orange Trail of the State Botanical Garden of Georgia in Athens, GA. Hunting during daytime indicates that this individual has extra mouths to feed. You can hear the altruistic alarm calls of other nervous birds and rodents. The high pitched alarm call (of a chipmunk?) is particularly audible immediately before each move of the owl. I deliberately kept the scenes long […]

    Continue reading »

  • Acid Attack

    Acid Attack

    Wildflowers can build a community of allies for defence. Ants defend extrafloral nectaries (nectar produced in organs other than flowers) of a passion flower vine against herbivores. This is an example of plant-animal interaction evolved to solve at least three biological problems. [1] Extrafloral nectaries seen in this video resemble butterfly eggs.  Butterflies avoid laying their eggs on host plants if they see other eggs. This is particularly true for two species of butterflies Gulf fritillary (Agraulis vanillae) and Variegated […]

    Continue reading »

  • Before Mars – Novo Mundo (Episode I) – National Geographic (2016)

    Before Mars – Novo Mundo (Episode I) – National Geographic (2016)

    A defining feature of Human nature is exploration. We are hard wired with curiosity. It instinctively drives us to wonder what is behind the next hill. On planetary scale the Moon and the Mars are the nearest objects of interest in this endeavor. In this half-dramatized docu-feature film the National Geographic is aiming to inspire explorers that will colonize Mars. The mini-series takes place both in the future and in the present day. Episodes include interviews with influential people in […]

    Continue reading »

  •  
 
 
 
shared on wplocker.com