GrrlScientist , GrrlScientist , GrrlScientist , GrrlScientist

234 posts · 380,704 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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  • September 27, 2012
  • 04:00 AM
  • 1,156 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
  • 933 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
  • 1,163 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
  • 1,168 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
  • 813 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
  • 828 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
  • 1,089 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
  • 857 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
  • 962 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
  • 802 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  

  • May 1, 2012
  • 07:20 AM
  • 857 views

Why do old books smell? [video]

by GrrlScientist in Maniraptora

SUMMARY: That old book smell brings back so many memories, but what creates that smell? ... Read more »

Strlič, M., Thomas, J., Trafela, T., Cséfalvayová, L., Kralj Cigić, I., Kolar, J., & Cassar, M. (2009) Material Degradomics: On the Smell of Old Books. . Analytical Chemistry, 81(20), 8617-8622. DOI: 10.1021/ac9016049  

  • February 29, 2012
  • 06:14 AM
  • 844 views

Stem cells put women on fertile ground [video]

by GrrlScientist in Maniraptora

SUMMARY: Using cutting-edge technologies and some imagination, a Harvard professor and his team find that ovaries in women of reproductive age contain stem cells that give rise to mature oocytes... Read more »

  • February 29, 2012
  • 04:34 AM
  • 1,173 views

Stem cells put women on fertile ground [video] | @GrrlScientist

by GrrlScientist in GrrlScientist

Using cutting-edge technologies and some imagination, a Harvard professor and his team find that ovaries in women of reproductive age contain stem cells that give rise to mature oocytes... Read more »

  • February 22, 2012
  • 05:18 AM
  • 734 views

Leaping lizards [video]

by GrrlScientist in Maniraptora

SUMMARY: Theropod dinosaurs used their long tails as counterbalances to stabilise rapid or irregular movements ... Read more »

Libby, T., Moore, T., Chang-Siu, E., Li, D., Cohen, D., Jusufi, A., & Full, R. (2012) Tail-assisted pitch control in lizards, robots and dinosaurs. Nature, 481(7380), 181-184. DOI: 10.1038/nature10710  

  • February 22, 2012
  • 04:28 AM
  • 1,244 views

Leaping lizards [video] | @GrrlScientist

by GrrlScientist in GrrlScientist

Theropod dinosaurs used their long tails as a counterbalance to stabilise rapid or irregular movements ... Read more »

Libby, T., Moore, T., Chang-Siu, E., Li, D., Cohen, D., Jusufi, A., & Full, R. (2012) Tail-assisted pitch control in lizards, robots and dinosaurs. Nature, 481(7380), 181-184. DOI: 10.1038/nature10710  

  • February 6, 2012
  • 04:00 AM
  • 1,156 views

17 and sudoku clues [video] | @GrrlScientist

by GrrlScientist in GrrlScientist

17 is the minimum number of clues required to give a unique sudoku solution -- but how did mathematicians prove this? ... Read more »

Gary McGuire, Bastian Tugemann, & Gilles Civario. (2012) There is no 16-Clue Sudoku: Solving the Sudoku Minimum Number of Clues Problem. ArXiv. info:/arXiv:1201.0749v1

  • January 7, 2012
  • 05:12 AM
  • 1,336 views

Hamster power to help solve energy crisis? [video] | @GrrlScientist

by GrrlScientist in GrrlScientist

Children's pet hamsters can help solve the world's energy crisis! ... Read more »

  • January 5, 2012
  • 03:00 AM
  • 1,262 views

Indonesia's underwater masters of disguise [videos] | @GrrlScientist

by GrrlScientist in GrrlScientist

Meet the fish that mimics the octopus that mimics scary sea creatures... Read more »

  • December 23, 2011
  • 05:24 AM
  • 1,011 views

Hot? Or not? The economics of red-hot chili peppers

by GrrlScientist in Maniraptora

SUMMARY: Chilis that produce the hottest fruits grow best when they are given lots of water... Read more »

Haak, D., McGinnis, L., Levey, D., & Tewksbury, J. (2011) Why are not all chilies hot? A trade-off limits pungency. Proceedings of the Royal Society B: Biological Sciences. DOI: 10.1098/rspb.2011.2091  

Tewksbury, J., Reagan, K., Machnicki, N., Carlo, T., Haak, D., Penaloza, A., & Levey, D. (2008) Evolutionary ecology of pungency in wild chilies. Proceedings of the National Academy of Sciences, 105(33), 11808-11811. DOI: 10.1073/pnas.0802691105  

  • December 22, 2011
  • 01:03 PM
  • 1,366 views

Hot? Or not? The economics of red hot chili peppers | @GrrlScientist

by GrrlScientist in GrrlScientist

Chilies that produce the hottest fruits grow best when they are given lots of water... Read more »

Haak, D., McGinnis, L., Levey, D., & Tewksbury, J. (2011) Why are not all chilies hot? A trade-off limits pungency. Proceedings of the Royal Society B: Biological Sciences. DOI: 10.1098/rspb.2011.2091  

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