GrrlScientist , GrrlScientist , GrrlScientist , GrrlScientist , GrrlScientist

244 posts · 397,306 views

GrrlScientist is the blog pseudonym for an evolutionary biologist/ornithologist who writes about E3: Evolution, Ecology and Ethology, and the subtle relationships between these phenomena, especially in birds.

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  • May 7, 2013
  • 07:01 PM
  • 474 views

In Your Face: soldiers' faces predict aggression, military rank and number of children | @GrrlScientist

by GrrlScientist in GrrlScientist

New research demonstrates that male soldiers' faces may predict their military rank and how many children they ultimately father... Read more »

  • March 21, 2013
  • 08:27 AM
  • 586 views

Setting the record a little straighter regarding trade in African grey parrots

by GrrlScientist in Maniraptora

SUMMARY: I am trying to learn the truth regarding a published piece that caused at least one reader to ask: "Is this really true??? If it is not true how can they get away with saying this???" Read more... Read more »

  • January 16, 2013
  • 04:36 AM
  • 496 views

The extraordinary courtship dance of Australia’s peacock spider

by GrrlScientist in Maniraptora

SUMMARY: Meet the world's most adorable spider and watch his amazing courtship dance! Adult male Maratus volans from Ku-ring-gai Chase National Park near Sydney. Read more... Read more »

Hill David Edwin . (2009) Euophryine jumping spiders that extend their third legs during courtship (Araneae: Salticidae: Euophryinae: Maratus, Saitis). . Peckhamia, 74(1), 1-27. http://www.peckhamia.com/peckhamia/PECKHAMIA 74.1.pdf

  • January 15, 2013
  • 10:53 AM
  • 686 views

The extraordinary courtship dance of Australia's peacock spider | @GrrlScientist

by GrrlScientist in GrrlScientist

Meet the peacock of the spider world and watch his lovely courtship dance! ... Read more »

Hill David Edwin . (2009) Euophryine jumping spiders that extend their third legs during courtship (Araneae: Salticidae: Euophryinae: Maratus, Saitis). . Peckhamia, 74(1), 1-27. http://www.peckhamia.com/peckhamia/PECKHAMIA 74.1.pdf

  • November 13, 2012
  • 08:00 AM
  • 628 views

Sing for your supper: fairy-wren chicks must sing vocal password for food | @GrrlScientist

by GrrlScientist in GrrlScientist

Female fairy-wrens teach their chicks a vocal password before they hatch to distinguish them from brood parasitic bronze-cuckoo chicks... Read more »

Colombelli-Négrel Diane, Hauber Mark E., Robertson Jeremy, Sulloway Frank J., Hoi Herbert, Griggio Matteo, & Kleindorfer Sonia. (2012) Embryonic Learning of Vocal Passwords in Superb Fairy-Wrens Reveals Intruder Cuckoo Nestlings. Current Biology, 22(22). DOI: 10.1016/j.cub.2012.09.025  

  • November 11, 2012
  • 10:01 AM
  • 470 views

Journal Club: Polly gets his own cracker: clever cockatoo manufactures, uses tools

by GrrlScientist in Maniraptora

SUMMARY: Not known to manufacture or use tools in the wild, a captive cockatoo demonstrates that parrots can make tools to suit their needs... Read more »

Auersperg Alice M.I., Szabo Birgit, von Bayern Auguste M.P., & Kacelnik Alex. (2012) Spontaneous innovation in tool manufacture and use in a Goffin’s cockatoo. Current Biology, 22(21). DOI: 10.1016/j.cub.2012.09.002  

  • November 10, 2012
  • 08:00 AM
  • 568 views

Polly gets his own cracker: clever cockatoo manufactures, uses tools | @GrrlScientist

by GrrlScientist in GrrlScientist

Not known to manufacture and use tools in the wild, a captive cockatoo demonstrates that parrots can make tools to suit their needs... Read more »

Auersperg Alice M.I., Szabo Birgit, von Bayern Auguste M.P., & Kacelnik Alex. (2012) Spontaneous innovation in tool manufacture and use in a Goffin’s cockatoo. Current Biology, 22(21). DOI: 10.1016/j.cub.2012.09.002  

  • November 6, 2012
  • 03:46 PM
  • 662 views

First ever sighting of world’s rarest whale on New Zealand coast

by GrrlScientist in Maniraptora

SUMMARY: DNA technologies were used by scientists to definitively identify two stranded whales as members of rare species previously known only from a few scattered bones. ... Read more »

Thompson, K., Baker, C., van Helden, A., Patel, S., Millar, C., & Constantine, R. (2012) The world’s rarest whale. Current Biology, 22(21). DOI: 10.1016/j.cub.2012.08.055  

  • October 9, 2012
  • 03:00 AM
  • 1,122 views

One-eyed wooing: beauty is in the right eye of the beholder for finches | @GrrlScientist

by GrrlScientist in GrrlScientist

GrrlScientist: a newly published study shows that beauty is in the right eye of the beholder for birds, providing the first demonstration in any animal of visual lateralization of mate choice... Read more »

Jennifer J. Templeton, D. James Mountjoy, Sarah R. Pryke, & Simon C. Griffith. (2012) In the eye of the beholder: visual mate choice lateralization in a polymorphic songbird. Biology Letters. info:/10.1098/rsbl.2012.0830

L. Workman, & R.J. Andrew. (1986) Asymmetries of eye use in birds. Animal Behaviour, 34(5), 1582-1584. info:/10.1016/S0003-3472(86)80235-4

Orsola Rosa Salva, Lucia Regolin, Elena Mascalzoni, & Giorgio Vallortigara. (2012) Cerebral and behavioural asymmetries in animal social recognition. Comparative Cognition , 110-138. info:/10.3819/ccbr.2012.70006

  • September 27, 2012
  • 07:06 AM
  • 1,083 views

Journal club: Choosy females speed speciation of poison dart frogs

by GrrlScientist in Maniraptora

SUMMARY: Female poison dart frogs’ distinct preferences for mates with particular colours may be a first step in the process of speciation... Read more »

Corinne L. Richards-Zawacki, Ian J . Wang, & Kyle Summers. (2012) Mate choice and the genetic basis for colour variation in a polymorphic dart frog: inferences from a wild pedigree. Molecular Ecology, 3879-3892. info:/10.1111/j.1365-294X.2012.05644.x

  • September 27, 2012
  • 04:00 AM
  • 1,276 views

Choosy females speed speciation of poison dart frogs | @GrrlScientist

by GrrlScientist in GrrlScientist

Female poison dart frogs' distinct preferences for mates with particular colours may be a first step in the process of speciation... Read more »

Corinne L. Richards-Zawacki, Ian J . Wang, & Kyle Summers. (2012) Mate choice and the genetic basis for colour variation in a polymorphic dart frog: inferences from a wild pedigree. Molecular Ecology, 3879-3892. info:/10.1111/j.1365-294X.2012.05644.x

  • September 22, 2012
  • 05:00 AM
  • 1,022 views

Wild parrots name their babies | video | @GrrlScientist

by GrrlScientist in GrrlScientist

Wild green-rumped parrotlet parents give their babies their own individual names... Read more »

Karl S. Berg, Soraya Delgado, Kathryn A. Cortopassi, Steven R. Beissinger, & Jack W. Bradbury. (2011) Vertical transmission of learned signatures in a wild parrot. Proceedings of the Royal Society B: Biological Sciences. info:/10.1098/rspb.2011.0932

Ralf Wanker, Jasmin Apcin, Bert Jennerjahn, & Birte Waibel. (1998) Discrimination of different social companions in spectacled parrotlets (Forpus conspicillatus): evidence for individual vocal recognition. . Behavioral Ecology and Sociobiology , 43(3), 197-202. info:/10.1007/s002650050481)

  • September 19, 2012
  • 04:00 AM
  • 1,264 views

Extinct Carolina parakeet provides glimpse into evolution of American parrots | @GrrlScientist

by GrrlScientist in GrrlScientist

DNA obtained for the first time from extinct Carolina parakeets reveals their closest relatives and provides insight into the evolution of New World parrots... Read more »

Jeremy J. Kirchman, Erin E. Schirtzinger, & Timothy F. Wright. (2012) Phylogenetic relationships of the extinct Carolina Parakeet (Conuropsis carolinensis) inferred from DNA sequence Data. The Auk, 129(2), 197-204. info:/10.1525/auk.2012.11259

Manuel Schweizer, Ole Seehausen, & Stefan T. Hertwig. (2011) Macroevolutionary patterns in the diversification of parrots: Effects of climate change, geological events and key innovations. Journal of Biogeography, 38(11), 2176-2194. info:/10.1111/j.1365-2699.2011.02555.x

  • August 24, 2012
  • 04:00 AM
  • 1,260 views

Two new owl species discovered in Philippines | @GrrlScientist

by GrrlScientist in GrrlScientist

Two new owl species were discovered in the Philippine Islands and five more Philippine owls were given full species status... Read more »

P. C. Rasmussen, D. N. S. Allen, N. J. Collar, B. De Meulemeester, R. O. Hutchinson, P. G. C. Jakosalem, R. S. Kennedy, F. R. Lambert, & L. M. Paguntalan. (2012) Vocal divergence and new species in the Philippine Hawk Owl Ninox philippensis complex. Forktail, 1-20. info:/

  • August 22, 2012
  • 04:30 AM
  • 884 views

Unraveling the life history traits of successful invaders | @GrrlScientist

by GrrlScientist in GrrlScientist

Species at the opposite ends of the life span-brood value spectrum will be most likely to survive climate change... Read more »

Daniel Sol, Joan Maspons, Miquel Vall-llosera, Ignasi Bartomeus, Gabriel E. García-Peña, Josep Piñol, & Robert P. Freckleton. (2012) Unraveling the Life History of Successful Invaders . Science, 580-583. info:/

  • August 9, 2012
  • 12:30 PM
  • 918 views

Mystery bird: Sira barbet, Capito fitzpatricki | @GrrlScientist

by GrrlScientist in GrrlScientist

This striking mystery bird is a new species just discovered in the cloud forests of Peru!... Read more »

Glenn F. Seeholzer, Benjamin M. Winger, Michael G. Harvey, Daniel Cáceres A., & Jason D. Weckstein. (2012) A new species of barbet (Capitonidae: Capito) from the Cerros del Sira, Ucayali, Peru. Auk, 129(3), 551-559. info:/10.1525/auk.2012.11250

John P O'Neill, Daniel F Lane, Andrew W Kratter, Angelo P Capparella, & Cecilia Fox Joo. (2000) A striking new species of barbet (Capitoninae: Capito) from the eastern Andes of Peru. Auk, 117(3), 569-577. info:/10.1642/0004-8038(2000)117[0569:ASNSOB]2.0.CO;2

  • June 27, 2012
  • 04:38 PM
  • 1,178 views

Trees, grass and gas: the battle for dominance | @GrrlScientist

by GrrlScientist in GrrlScientist

A new study shows that increasing carbon dioxide levels favours trees over grass, suggesting that large regions of Africa's savannas may be forests by the end of this century... Read more »

Steven I. Higgins, & Simon Scheiter. (2012) Atmospheric CO2 forces abrupt vegetation shifts locally, but not globally. Nature. info:/10.1038/nature11238

John Grace, Jose´ San Jose´, Patrick Meir, Heloisa S. Miranda, & Ruben A. Montes. (2006) Productivity and carbon fluxes of tropical savannas. Journal of Biogeography, 387-400. info:/10.1111/j.1365-2699.2005.01448.x

  • May 10, 2012
  • 04:12 AM
  • 901 views

Identification of the world's smallest mammoth | video | @GrrlScientist

by GrrlScientist in GrrlScientist

The world's smallest mammoth has been discovered on Crete, and it's the size of a newborn baby elephant!... Read more »

Herridge, V., & Lister, A. (2012) Extreme insular dwarfism evolved in a mammoth. Proceedings of the Royal Society B: Biological Sciences. DOI: 10.1098/rspb.2012.0671  

  • May 8, 2012
  • 05:15 AM
  • 1,025 views

Bee deaths linked to common pesticides |video| @GrrlScientist

by GrrlScientist in GrrlScientist

Two recently published scientific studies show that bee populations are being ravaged by widespread use of a particular type of pesticide, the neonicotinoids.... Read more »

Henry, M., Beguin, M., Requier, F., Rollin, O., Odoux, J., Aupinel, P., Aptel, J., Tchamitchian, S., & Decourtye, A. (2012) A Common Pesticide Decreases Foraging Success and Survival in Honey Bees. Science, 336(6079), 348-350. DOI: 10.1126/science.1215039  

  • May 3, 2012
  • 04:00 AM
  • 842 views

Were dinosaurs undergoing long-term decline before mass extinction? |video| @GrrlScientist

by GrrlScientist in GrrlScientist

A new scientific paper uses a unique methodology to addresses this timeless question ... Read more »

Brusatte, S., Butler, R., Prieto-Márquez, A., & Norell, M. (2012) Dinosaur morphological diversity and the end-Cretaceous extinction. Nature Communications, 804. DOI: 10.1038/ncomms1815  

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