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Sponge Bob or Sponge “Poop”

April 14, 2013 at 10:07 am / Ecological Documentaries, Natural history, Video, Wildlife Documentaries

It is ironic that biologically diverse habitats are usually rather poor in nutrients. Coral reefs are one of them. Crystal clear waters of the tropical seas is a “clear” indication of nutrient poor environment. Because nutrients in the water column are scarce microscopic plants and animals (planktons) that form the basis of food webs cannot maintain high numbers and the water column remains clear. Dissolved organic carbon is a nutrient that is inedible for most organisms living in a reef. […]

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Empire of the Desert Ants – BBC (2011)

April 3, 2013 at 11:10 pm / BBC documentaries, Natural history, Video, Wildlife Documentaries

BBC Wildlife Division’s Natural World series tells the natural history of the honeypot ant (Myrmecocystus mimicus) in the Arizona desert. This is the first footage to show honeypot ant queens co-operating in the wild. Filmmakers spent 150 days in the deserts of Arizona, US to capture the behavior of the ants. Filming the foundation of a new colony was a considerable challenge because the insects rarely ventured above ground. The team was fortunate enough to witness a mating swarm that […]

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An Illustrated Introduction to Natural Selection & Sexual Selection – Cornell Lab of Ornithology (2013)

March 10, 2013 at 1:04 am / Evolution, Natural history, Video, Wildlife Documentaries

Cornell Bird Lab produced a series of quite informative teaching materials to provide scientific explanation for how new species have evolved (and are evolving). Evolution is not only a struggle for existence, it is also an effort to pass on genes to next generation. Modern biology has described mechanisms of evolution with fine details and this video effectively tells how natural selection works with three cartoonified traits in an island setting at the first few minutes. In many animals females […]

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American Eagle – PBS Nature (2008)

March 6, 2013 at 11:33 pm / PBS Nature, Video, Wildlife Documentaries

This PBS Nature documentary outlines the life cycle and biology of the iconic Bald Eagle. The plot is centered around two breeding pairs in Iowa and Minnesota. Both nests were installed webcams and have attracted millions of viewers from all over the world. The nests are still active and pairs are now preparing for the breeding season. The nest in Iowa is next to Decorah Fish Management Station. As a top predator highly adapted for fish prey the location provided […]

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Hummingbirds: Magic in the Air – PBS (2010)

March 6, 2013 at 5:03 pm / Evolution, Natural history, PBS Nature, Video, Wildlife Documentaries

Hummingbirds. Today they are strictly found on American continent but there are hummingbird-like fossil specimens from Germany hinting that this group might have been more widespread in its evolutionary past. More than 8000 species of plants have evolved to get their pollination services from hummingbirds. In 2013 a 50 million year old fossil showed the earliest ancestor of hummingbirds. With a heart beating at 600 beats per minute hummingbirds are champions of survival. The PBS documentary explores a rich repertoire […]

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A Biography of Edward O. Wilson – Lord of the Ants (2008)

September 5, 2012 at 11:01 am / Natural history, Video, Wildlife Documentaries

Edward O. Wilson is one of the leading myrmecologists of our time. However, he is best known as a sociobiologist which in his words is “the extension of population biology and evolutionary theory to social organization”. Sociobiology didn’t gain major recognition as a concept until 1975. That year, the publication of his book, Sociobiology: The New Synthesis created a lot of rattle in public space. It quickly drew arrows from prominent scientists of their field including evolutionary biologists. In a […]

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Nesting Chestnut Mandibled Toucan (Ramphastos swainsonii)

April 9, 2012 at 11:27 pm / Ecological Documentaries, Natural history, Short Observations, Video, Wildlife Documentaries

Filmed and edited by by Jean and Phil Slosberg in 2010 the captured footage reflects a slice of natural history of chestnut-mandibled toucans. Slosbergs were able to record the nest preparation, parental care and nest maintenance phases from their home in Costa Rica. They note that after a successful breeding season the pair tried to nest in the same tree again in 2011 but were not successful because meliponid stingless bees have taken over the cavity. They attempted to clean […]

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Ants – Nature’s Secret Power (2006)

January 29, 2012 at 11:23 am / Ecological Documentaries, Evolution, Natural history, Video, Wildlife Documentaries

Ants, bees and wasps make up only 3 percent of animal diversity yet they may constitute up to 50 percent of the total animal biomass in land habitats. Bert Hölldobler is a leading entomologist (scientist who studies insects). He collaborated with ant biologist E.O. Wilson and developed the field of Sociobiology. The documentary does an excellent job introducing us observations coming from both natural and laboratory setting. First observation comes from the European red wood ants (Formica polyctena). These ants […]

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Nesting Nightjar in Camouflage

January 16, 2012 at 11:25 pm / Ecological Documentaries, Natural history, Short Observations, Video, Wildlife Documentaries

This is an excellent footage capturing the behavior of a ground nesting nightjar. These birds are night-flying aerial insectivores active during dusk and dawn. It is almost impossible to see them during the day because of their camouflage. Nightjars are also known as goatsuckers which has no biological basis. If an intruder comes dangerously close to the nest, adults perform a well-known “broken wing” display. It is an excellent visual distraction. The bird will easily disappear soon after the intruder is at a […]

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Red wasp hunting grasshopper.

January 16, 2012 at 10:43 pm / NatureDocumentaries.org, Short Observations, Video, Wildlife Documentaries

These sequences were captured on May 14th 2010 in Athens, GA, USA. Young grasshopper nymphs (Romalea microptera) all emerged together as a brood were hanging out on a plant (Galium spp.). There were 17 of them. Red wasp (Polistes carolina) began hovering over for a couple of minutes and attacked one of them. The wasp began eating by chewing the abdomen first and later flew over to the top of a kudzu vine (Pueraria montana) to eat the rest. Although […]

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Daytime Hunting of Barred Owl (Strix varia)

January 16, 2012 at 10:42 pm / Ecological Documentaries, Evolution, NatureDocumentaries.org, Short Observations, Video, Wildlife Documentaries

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 […]

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