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First Aired - 05/03/2010 12:00PM
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This week, Bernie Wides is joined by Carol A. Butler, author of Do Hummingbirds Hum? They discuss the pollination techniques of the hummingbird and share some interesting facts about the tiny bird.
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The Naturalist Introduction (16:10)
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Bernie Wides, Carol Butler, Heritage Radio Network, The Naturalist, Barterhouse, wine, hummingbirds, bees, pollination, butterflies have no sucking pump, what about the other pollinators, proboscis, The Great Pollinator Project, pollinators are essential to agriculture, bees are the most important pollinators in the northeast, 90% of plants need outside help with pollination, bumblebee, green metallic bees, honeybees, carpenter bees, colony collapse, www.greatpollinatorproject.org,All About Hummingbirds (12:20)
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hummingbird migration, ruby throated green hummingbird, Do Hummingbirds Hum?, Carol A. Butler, George West, great family book, beaks, giant hummingbird, found in the Andies mountains in South America, only weighs less than an ounce, the bill is more than an inch long, birds always look heavier than they are, can hummingbirds walk?, PBS show, Ecuador, they like high altitude, nectaring, do they hum?, their wings vibrate, hummingbirds flap their wings 200 beats per second during courtship dives, fastest wing beating of all birds, normal wing beat is 40 to 50 beats a second, migration from Mexico, Ramsey Canyon,Catching & Banding Humminbirds (19:06)
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you can see hummingbirds flying through your backyard in the Spring, they drink sugarwater solution, birdfeeders, hummingbirds were banded, they come to the same feeder every year, hummingbird feeder, they are caught and examined, observations are recorded, they are weighed on a tiny scale, a code is put on the band, butterfly tagging, The Butterfly Barn, Ed Wesley, Birds of Prey, raptors, eagles, faclons, owls,To comment on this episode click here. There are currently Comments
First Aired - 02/01/2010 12:00PM
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Carol A. Butler joins The Naturalist again, this time to talk about sexual conflict amongst animals.
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The Naturalist Introduction: Sexual Conflict (10:35)
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Bernie Wides, The Naturalist, Whole Foods Market, Carol A. Butler, sexual conflict, this is different than sexual selection, G.A. Parker, sperm competition, Sexual Selection and Reproductive Competition in Insects, William G. Eberhard, Sexual Selection By Cryptic Female Choice, human sexuality in terms of inate behavior, reproductive availablity, mating habits,Premature Cannibalism & The Sexy Son Syndrome (11:17)
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therapy, counseling, some butterflies are polygamous, sperm packets, premature cannibalism, Australian red back spider, females kill the male before copulation is complete, only happens if male courtship is brief, the sexy sons syndrome, choosy female may benefit from mating with a harmful man if he can transmit his sexiness to his sons, the sons will more readily mate with other females so genes can be passed along, human behavior, the success of seductive males,Sexual Conflicts & Strategies For Survival (9:42)
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butterflies, The American Museum of Natural History, live butterfly bavarium all winter long, twins, male produces androgens, genital sex with two cloacas joining, forced copulation, raptor territories, Pale Male, red tailed hawk who lives across from Central Park, he has his third or fourth wife, raptors eat pigeons and mice, the city sometimes puts down rat poising, if hawks eat poison rats they get killed also,To comment on this episode click here. There are currently Comments
First Aired - 01/04/2010 12:00PM
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This week on the naturalist, Saul Scheinbach comes by to talk about Darwin's "theory" of natural selection and evolution.
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The Naturalist Introduction: Evolution (12:52)
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The Naturalist, Bernie Wides, Tekserve, molecular genetics, biology, evolution, Science Watch, www.hras.org, Charles Darwin was born on the same day as Abraham Lincoln, his book sold out the first day it was released, many people have trouble believing evolution, only 40% of Americans believe evolution is true, evolutionary science, a species is a freely interbreeding population that produces viable fertile young, a mule is not a species, a mule is a cross between a horse and a donkey, Darwin said that species form through a process called natural selection, there is a struggle in nature, the struggle for existence, resources are finite but organisms keep multiplying, adaptation, humans, milk, lactose intolerance, winter,Charles Darwin & Natural Selection (11:11)
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natural selection is daily and hourly scrutinizing the world, people don't have trouble with Newton's theory, gravity, these ideas don't hold up at the subatomic level, when we look at life around us we see evolution, common ancestors, everything we know in biology backs up Darwin's theory, nothing in biology works without evolution, The Museum Of Natural History, Extreme Mammals, religion, monkeys, how do new species form?, Darwin didn't know anything about genes, reproductive isolation, physical change in the genitals, often times its a change in behavior, extreme courtship behavior, new species are forming all the time, Stickleback fish,Genes & DNA (17:57)
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a gene is a stretch of DNA, DNA is genetic material, it can make exact copies of itself, every organism has DNA, there are four letters that make up DNA, A T C and G, a gene can be a thousand or more letters, proteins, controlling genes, melanin, sickle cell anemia, the genome project, humans have 23,000 genes, a chicken has the same amount, corn has 32,000, the tree of life, mutations, sex, mixing up genes, sexual reproduction, The Origin Of Species, blue eyes is a mutation that occurred 6,000 years ago, Darwin's family was very religious, he was nervous about publishing his works, he held off on publishing his papers, Alfred Russel Wallace, Darwin panicked when he found out Wallace was on the same track, he submitted the papers immediately,To comment on this episode click here. There are currently Comments
