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All posts; Tags Include "Behavioral Biology"

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  • May 28, 2017
  • 08:39 AM
  • 1,184 views

How Men Age, a book review

by Farid Pazhoohi in Epistemophil

Nothing would be more interesting than reading a book on men aging by the author who is an expert on comparative male life histories. Richard G. Bribiescas is a Professor of Anthropology, Ecology and Evolutionary Biology at Yale University, and has conducted research in evolutionary biology and endocrinology of human, as well as comparative studies […]... Read more »

Pazhoohi, F. (2017) Book Review: How Men Age: What Evolution Reveals about Male Health and Mortality. Frontiers in Psychology. info:/10.3389/fpsyg.2017.00894

  • May 19, 2017
  • 11:21 PM
  • 398 views

The warmer the dangerouser, at least if you are a caterpillar

by Piter Boll in Earthling Nature

by Piter Kehoma Boll Scientist all over the world agree that species diversity is higher at the tropics than at polar regions, i.e., the closer you get to the equator, more species you will find. But apart from making food … Continue reading →... Read more »

Roslin, T., Hardwick, B., Novotny, V., Petry, W., Andrew, N., Asmus, A., Barrio, I., Basset, Y., Boesing, A., Bonebrake, T.... (2017) Higher predation risk for insect prey at low latitudes and elevations. Science, 356(6339), 742-744. DOI: 10.1126/science.aaj1631  

  • May 12, 2017
  • 11:43 AM
  • 359 views

A Cuttlefish Clash: The Strongest, Stripeyist Guy Gets the Girl

by Melissa Chernick in Science Storiented

I know what you’re thinking: “Why hasn’t she written about cuttlefish mating systems?” I understand, cuttlefish are ridiculously cool and you just need to know more about them. You are in luck as a brand new study has been published online about just that topic!Cuttlefish are cephalopods, which are all predatory marine animals that have at least eight arms, a siphon for jet-propulsion, and highly developed nervous and sensory systems (specifically the most sophisticated eye of all invert........ Read more »

Allen, J., Akkaynak, D., Schnell, A., & Hanlon, R. (2017) Dramatic Fighting by Male Cuttlefish for a Female Mate. The American Naturalist. DOI: 10.1086/692009  

  • May 3, 2017
  • 06:30 PM
  • 360 views

Gimme Your Lunch Money!: Feeding Behaviors in Hummingbirds

by Melissa Chernick in Science Storiented

Ubatuba, São Paulo, Brazil; 9 October 2014 © Almir Cândido de AlmeidaI just put out my hummingbird feeder this season. It didn’t take those little guys long to find it either. Now I’ve got their cute little bodies whizzing about all over the place. They need Yackety Sax to play as their soundtrack. But it got me to thinking about hummingbirds and to looking through recent papers for a good study. I came across one in Zoologia about the feeding behavior of hummingbirds in artificial f........ Read more »

  • April 28, 2017
  • 08:00 AM
  • 456 views

Friday Fellow: Hooker’s Lips

by Piter Boll in Earthling Nature

by Piter Kehoma Boll We are always fascinated by plants that have some peculiar shape that resemble something else. And certainly one of them is the species I’m introducing today, Psychotria elata, also known as hooker’s lips or hot lips. Found … Continue reading →... Read more »

  • April 12, 2017
  • 11:59 AM
  • 512 views

Flyfocals: Vision and Vectors Help Hunting Robber Flies

by Melissa Chernick in Science Storiented

Image credit: Thomas ShahanRobber flies (Asilidae family) are not your typical house flies. They are small, predatory insects that feed on a vast array of other arthropods. While they are small in size (10 times smaller than a dragonfly), these guys are serious hunters. For example, Mallophora omboides is known as the “Florida bee killer” for its taste for honey bees. Other robber flies hunt down wasps, dragonflies, spiders, or grasshoppers, just to name a few. Perhaps almost as impressive a........ Read more »

Wardill, T., Fabian, S., Pettigrew, A., Stavenga, D., Nordström, K., & Gonzalez-Bellido, P. (2017) A Novel Interception Strategy in a Miniature Robber Fly with Extreme Visual Acuity. Current Biology, 27(6), 854-859. DOI: 10.1016/j.cub.2017.01.050  

  • March 22, 2017
  • 06:38 AM
  • 423 views

Break a leg!

by Jente Ottenburghs in Evolutionary Stories

What to do when your prey refuses to be swallowed? Eurasian Spoonbills (Platalea leucordia) in Hungary have a solution…... Read more »

  • March 11, 2017
  • 05:45 PM
  • 576 views

Badass females are unpopular among praying mantids

by Piter Boll in Earthling Nature

by Piter Kehoma Boll One of the most iconic representations of praying mantids is that of a female eating the male after (or during) sex, an unpleasant scenario that starts with a beheading before the poor male even finishes his … Continue reading →... Read more »

  • January 21, 2017
  • 10:54 PM
  • 654 views

Don’t let the web bugs bite

by Piter Boll in Earthling Nature

by Piter Kehoma Boll If you think spiders are scary creatures, today you will learn that they are scared too. But what could scary a spider? Well, a web bug! We usually think of spider webs as an astonishing evolutionary … Continue reading →... Read more »

  • November 25, 2016
  • 06:00 AM
  • 609 views

Friday Fellow: Persian Carpet Flatworm

by Piter Boll in Earthling Nature

by Piter Kehoma Boll A flatworm again, at last! Not a land planarian, but a flatworm nonetheless. If there is a group of flatworms that may put land planarians in second plan regarding beauty, those are the polyclads. Living in … Continue reading →... Read more »

  • October 28, 2016
  • 06:00 AM
  • 486 views

Friday Fellow: Sun Beetle

by Piter Boll in Earthling Nature

by Piter Kehoma Boll Who says beetles cannot be cute? Take a look at those guys: These little fellows are beetles of the species Pachnoda marginata, commonly known as sun beetle or taxi cab beetle. Native from Africa, they reach up … Continue reading →... Read more »

Stensmyr, Marcus C., Larsson, Mattias C., Bice, Shannon, & Hansson, Bill S. (2001) Detection of fruit- and flower-emitted volatiles by olfactory receptor neurons in the polyphagous fruit chafer Pachnoda marginata (Coleoptera: Cetoniinae). Journal of Comparative Physiology A, 187(7), 509-519. info:/

  • October 25, 2016
  • 08:35 PM
  • 709 views

Why do polar bears mock battle? and other facts about polar bear reproduction

by Emily Makowski in Sextraordinary!

Inspired by an Instagram photo of polar bears playfighting, I decided to find out more about this strange behavior and learned many interesting things about polar bear reproduction.... Read more »

Fitzgerald KT. (2013) Polar bears: the fate of an icon. Topics in Companion Animal Medicine, 28(4), 135-42. PMID: 24331553  

  • October 16, 2016
  • 09:58 PM
  • 725 views

Call me: female zebra finches prefer their mate’s call

by Emily Makowski in Sextraordinary!

Social interactions are highly sought-after and rewarding in many animals... Even when social interactions involve only one of our senses, they are still rewarding. For example, we like looking at photos of our friends on Facebook, or hearing the voice of a faraway relative via telephone. It’s the same with other animals; not only is socialization rewarding and can be used as an incentive for learning, but just the sights, sounds, and even smells of others are also rewarding. Hernandez et ........ Read more »

  • October 8, 2016
  • 04:15 PM
  • 730 views

That time 20,000 jellyfish orbited Earth

by Emily Makowski in Sextraordinary!

Why did NASA put jellyfish aboard the space shuttle in the 1990s? I discuss the reasoning behind this experimentand the results.... Read more »

Spangenberg, D., Jernigan, T., McCombs, R., Lowe, B., Sampson, M., & Slusser, J. (1994) Development studies of Aurelia (Jellyfish) ephyrae which developed during the SLS-1 mission. Advances in Space Research, 14(8), 239-247. DOI: 10.1016/0273-1177(94)90408-1  

  • September 27, 2016
  • 04:09 PM
  • 698 views

Sex changes in nature

by Emily Makowski in Sextraordinary!

We might think of animal mating being as simple as 1 male and 1 female, like on Noah's Ark. But many types of fish undergo sex changes throughout their lives. My goal is to open people's eyes to the diversity among sex in animals.... Read more »

  • September 26, 2016
  • 08:04 PM
  • 694 views

What is behavior? Baby don’t ask me, don’t ask me, no more

by Piter Boll in Earthling Nature

by Piter Kehoma Boll One of the most difficult concepts to explain in biology is certainly life itself. But I am not here today to talk about the definition of life, but rather of another puzzling concept: behavior. Behavior is the … Continue reading →... Read more »

  • September 7, 2016
  • 07:17 PM
  • 827 views

Girls only, literally: global warming and sea turtle sex ratios

by Emily Makowski in Sextraordinary!

The sex of sea turtle offspring is largely dependent on temperature, and global warming could lead to problems where populations are mostly/all female. However, sea turtles have a trick up their sleeve (in their shells?) that may make them more resilient to the effects of global warming than previously thought.... Read more »

  • September 2, 2016
  • 08:00 AM
  • 725 views

Friday Fellow: Gold-and-Brown Rove Beetle

by Piter Boll in Earthling Nature

by Piter Kehoma Boll It’s time for our next beetle. Today the fellow I chose is Ontholestes cingulatus or gold-and-brown rove beetle. Rove beetles are the second most numerous family of beetles after weevils. Their more remarkable feature is that their … Continue reading →... Read more »

  • September 1, 2016
  • 11:19 AM
  • 906 views

Responsible resurrection: The ecology of de-extinction

by gdw in FictionalFieldwork

March of the mammoths Improvements in our genetic tinkering capabilities have led several people to suggest potential uses for our newfound powers. Although we ought to add some nuance and note that those powers are still in development. In any case, one of those powers is quite impressive. De-extinction, or the process of bringing back […]... Read more »

  • August 30, 2016
  • 06:48 PM
  • 691 views

How to Live a Life with More Positive Than Negative Feelings?

by Farid Pazhoohi in Epistemophil

Decision-making is the cognitive process of choosing a preferred option from among a set of options (Wilson and Keil 2001). Decision-making is present through every aspect of life, and making good decisions for every important occasion during lifetime is a human being’s constant endeavor (Garnham 2016). Historically, religion and philosophy have been the only domains […]... Read more »

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