Recent Videos

  • Cornell University Hawk Camera

    Cornell University Hawk Camera

    2015 breeding season of the famous Cornell University campus hawks Big Red and Ezra has started! Big Red laid her first egg At about 11:38 ET on March 28th. This year Big Red and Ezra moved to their nest to the light pole they used in 2012. There were no longer cameras installed at this nest so some heavy equipment was organized to get up to the nest. Of course, main priority was always not to the disturb the birds […]

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  • Rapid Worker Recruitment in Aphaenogaster Ants

    Rapid Worker Recruitment in Aphaenogaster Ants

    In this short observation a single worker drags a yellow jacket wasp (Vespula spp.) until a point close to the nest and then switches to a different task. She leaves to recruit more workers as a scout. Until the first recruits arrive two other workers tend the prey. The location of the prey must be close to the nest because a third worker joins them 55 seconds after the scout leaves. Based on the time stamp of the unedited footage, […]

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  • Spider Mom – Alvaro Mendoza (2012)

    Spider Mom – Alvaro Mendoza (2012)

    Egg laying by a female spider filmed by Alvaro Mendoza. Highly choreographed light use makes this short observation particularly striking. Spiders reproduce sexually. Fertilization is internal but the sperm is not inserted into the female’s body by the male’s genitals. Unlike many land-living arthropods, male spiders do not produce ready-made spermatophores (packages of sperm). Males spin small sperm webs on to which they ejaculate and then transfer the sperm to syringe-like structures on the tips of their pedipalps. Image source: […]

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  • Giant Ichneumon Wasp (Megarhyssa macrurus) Ovipositing

    Giant Ichneumon Wasp (Megarhyssa macrurus) Ovipositing

    Giant Ichneumon wasp (Megaryssa macrurus, Linneaus 1771) ovipositing. 10th of August 2013, Georgia State Botanical Garden, Athens, GA. 3:47 pm. This observation has been registered in iNaturalist.org with ID# 418639. Oviposition marks the beginning of the life cycle of all insects including parasitoid wasps. Females of Megarryhssa macrurus (Hymenoptera: Ichneumonidae) are specialized to lay their eggs in the burrows of wood eating Pigeon Tremex Horntail (Tremex columba) larvae between June and September. Only one egg is deposited per host larva […]

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  • Crippled Cranefly Orchid (Tipularia discolor) (2014)

    Crippled Cranefly Orchid (Tipularia discolor) (2014)

    Crippled Cranefly Orchid (Tipularia discolor). Recorded on August 9th 2014, Georgia State Botanical Garden, Athens, GA, USA. The genus Tipularia has three species. Crippled cranefly orchid (Tipularia discolor) is the only species found in North America. The other two species are Asian found in the Himalayas and Japan. Tipularia discolor grows in organic humus-rich soils of closed canopy oak-pine forests in the Eastern United States. It is protected as Threatened, Endangered, or Rare in Florida, Massachusetts, Michigan, New York, Pennsylvania. […]

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  • The Antikythera Mechanism: The Two-Thousand-Year-Old Computer – Mike Beckham (2012)

    The Antikythera Mechanism: The Two-Thousand-Year-Old Computer – Mike Beckham (2012)

    Antikythera Mechanism is one of the best demonstrations of human intellect attempting to understand nature systematically. The contraption is most certainly a very complex device. It is an impressively accurate “analog model” of our then earth-centric universe. Science gives us prediction power and Antikythera Mechanism is an excellent example for how astronomical observations can be defined mathematically to reconcile lunar and solar calendars and predict eclipses with hourly accuracy using 27 gear pieces. It uses the Metonic Cyle first implemented […]

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  • Virtual Reconstruction of the Antikythera Mechanism – Michael Wright & Mogi Vicentini (2009)

    Virtual Reconstruction of the Antikythera Mechanism – Michael Wright & Mogi Vicentini (2009)

    Antikythera Mechanism is one of the best demonstrations of human intellect attempting to understand nature systematically. The contraption is most certainly a very complex device. It is an impressively accurate “analog model” of our then earth-centric universe. The Antikythera Mechanism was built like a clock. Trains of interlocking gearwheels controlled the movements of a minimum of seven pointers perfectly tracking the movements of the Sun, the Moon and the planets observable by naked eye namely Mercury, Venus, Mars, Jupiter and […]

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  • How Chameleons Change Color? (2015)

    How Chameleons Change Color? (2015)

    Long projectile tongue, independently movable eyes and rapid color change. Chameleons are indeed very interesting animals. Reproductively mature chameleon males rapidly switch on bold threatening colors when confronting another rival male. All this time the the leading hypothesis to explain this color change was that they may be moving pigments around in skin cells. A study by the University of Geneva researchers describes that chameleons change colors by rearranging an ordered array of nanocrystals in the top chromatophore (also known […]

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  • Great White Shark Pup off the Northern Aegean Coast of Turkey

    Great White Shark Pup off the Northern Aegean Coast of Turkey

    Be prepared to hear a fascinating piece of natural history about the Mediterranean great white sharks (Carcharodon carcharias). Story is fascinating for multiple reasons. First, great whites are one of the most charismatic, vulnerable, cryptic and misunderstood predator fish species. Second, the story takes place in a quite unexpected location. Altınoluk is a town on the northern Aegean coast of Turkey. It is located to the south of Troy on a legendary sea route known as the Argonaut route where […]

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  • A Day in the Life of an Elite Male Greater Sage-Grouse on the Lek – Marc Dantzker – Cornell Lab of Ornithology (2015)

    A Day in the Life of an Elite Male Greater Sage-Grouse on the Lek – Marc Dantzker – Cornell Lab of Ornithology (2015)

    Here’s another fascinating piece of natural history from the Cornell Lab of Ornithology. In this short observation staff producer and biologist Marc Dantzker breaks down the mating behavior and social interaction of the Greater Sage-Grouse (Centrocercus urophasianus) in five sections. Lekking or lek mating is a breeding behavior where males come together in a place and perform competitive displays to impress visiting females. While males do their “hello check me out” dances, females asses their qualities and choose their partners […]

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  • Popped Secret: The Mysterious Origin of Corn – Nathan Dappen & Neil Losin – HHMI (2015)

    Popped Secret: The Mysterious Origin of Corn – Nathan Dappen & Neil Losin – HHMI (2015)

    Domestication of plants and animals is a key transformation in recent Human evolutionary history leading to sedentary farming societies. Domestication of Maize particularly followed a different trajectory from the agricultural crops of the old world. This HHMI documentary tells how the ancestral wild grass called Teosinte was domesticated to evolve into Maize. In the old world, most domesticated grasses had a surprisingly similar “first step” that paved the way towards agriculture. In old world grasses including rice, wheat, barley and […]

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  • Bald Eagle Cam – Live from Minnesota – Breeding Season 2015

    Bald Eagle Cam – Live from Minnesota – Breeding Season 2015

    Stream videos at Ustream The 2015 breeding season for a pair of iconic Bald Eagles in Minnesota has begun. After pair bonding and nest repair (nestoration) eagles started incubating eggs again! If you are having a severe eagle nest watching withdrawal help is on the way: Another pair in Florida already started pair bonding and may lay eggs around Xmas! A pair of iconic Bald Eagles have been raising their chicks in Central Minnesota on a nest constructed at 75 […]

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  • Decorah Eagle Cam – Nesting Season 2015

    Decorah Eagle Cam – Nesting Season 2015

    Live feed has begun from the new nest named N2 for Decorah bald eagles. The pair known as “Mom” and “Dad” are visiting and maintaining the nest occasionally. Established by the Raptor Resource Project in 2007 this breeding pair of Bald Eagles in Decorah, Iowa has been under intense observation. The pair became famous after the PBS Nature Documentary “American Eagle” in 2008. At one point in 2012 the viewer numbers reached 250 million making the project the most heavily […]

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  • Crossection of a Dandelion Compound Flower – Rüdiger Hartmann (2015)

    Crossection of a Dandelion Compound Flower – Rüdiger Hartmann (2015)

    Dandelion (Taraxacum officinale) is one of the most ubiquitous plants belonging to the family Asteraceae. The plant is native to Eurasia but has become naturalized to all temperate regions of the World introduced unintentionally by Humans. It’s compound flowers are self-pollinated and seeds are wind dispersed. In this short observation developmental biologist Dr. Rüdiger Hartmann of the University of Freiburg has done a wonderful job of showing the dynamics of the mature compound flowers (inflorescence) using timelapse videography in his […]

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  • The Origin of Birds – Dan Lewitt – HHMI (2015)

    The Origin of Birds – Dan Lewitt – HHMI (2015)

    The Great Transitions is a three part documentary covering evolutionary origins of land vertebrates tetrapods, birds and Humans. In this second installment of the series, paleontologist Julia Clarke tells how birds evolved from dinosaurs. When the first Archaeopteryx fossil was discovered in a quarry in Germany in the early 1860s it created a lot of excitement. The discovery came only a few years after the publication of the Origin of Species by Charles Darwin. Since then dozens of Archeopteryx fossils […]

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