Navigation Links
Male dinosaurs may have been prehistoric babysitters, study shows
Date:12/18/2008

COLLEGE STATION, Dec 18, 2008 Those ferocious Hollywood meat-eating dinosaurs you're used to seeing in the movies very possibly had a much softer side: the males might even have been sort of prehistoric babysitters, according to a far-flung study conducted by a Texas A&M University researcher.

Jason Moore, a post-doctoral researcher in the Department of Geology and Geophysics, and team members from Montana State University, Florida State University and the American Museum of Natural History in New York discovered that some types of male dinosaurs probably cared for and watched over eggs in much the same way that females of other species do. Their work appears in the current issue of Science magazine.

Moore and the research team examined six nests of well-preserved dinosaur eggs, with each nest containing from 22 to 30 eggs found in Montana and Mongolia. Most of the eggs were about 75 million years old.

Numerous clues including the size of the eggs and the internal structure of the adult bones found sitting on the eggs indicate that males, not females, likely watched over the eggs and served in a nanny-like function as the eggs slowly developed.

"The bones we found closest to the eggs don't display characteristics of female dinosaurs," Moore says of the findings.

"Modern birds descended from dinosaurs, so we can use birds as modern representatives of dinosaurs. We have looked at some other modern-day animals for similarities as well, including crocodiles, turtles, snakes and others, and asked the question in each case, 'Which of the parents were taking care of the eggs?' Comparing these modern animals to dinosaurs, the evidence all points to the males as the ones who likely cared for the eggs."

Moore says that studies show that in birds, males participate in parental care about 90 percent of the time, but that loving parental care drastically falls to only 5 percent of mammalian species who do the egg watching.

T
'/>"/>

Contact: Jason Moore
moore@geo.tamu.edu
979-862-8307
Texas A&M University
Source:Eurekalert

Page: 1 2

Related biology news :

1. CT scans reveal that dinosaurs were airheads
2. Study of polar dinosaur migration questions whether dinosaurs were truly the first great migrators
3. Geologist who linked cosmic strike to dinosaurs extinction takes top prize
4. Mass extinctions and the evolution of dinosaurs
5. Did the solar system bounce finish the dinosaurs?
6. Genetic sequencing of protein from T. rex bone confirms dinosaurs link to birds
7. Grand Canyon may be as old as dinosaurs, says new study
8. Getting warmer? Prehistoric climate can help forecast future changes
9. Prehistoric aesthetics explains snail biogeography puzzle
10. Study: Did early climate impact divert a new glacial age?
11. Purdue study suggests warmer temperatures could lead to a boom in corn pests
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:8/28/2014)... Ludwig-Maximilians-Universitaet (LMU) in Munich have assigned a number ... predatory arthropods. These animals lived in shallow marine ... forms found in Jurassic strata. , Before ... marine habitat and were fossilized some 435 million ... of the Silurian seas although they were ...
(Date:8/27/2014)... -- WaferGen Bio-systems, Inc. (NASDAQ: WGBS) today announced that it ... units of common stock and warrants at a price ... million, prior to deducting underwriting discounts and commissions and ... warrants are immediately separable and will be issued separately.  ... consists of 2,000 shares of common stock and 2,000 ...
(Date:8/27/2014)... 2014. Using functional near infrared spectroscopy (fNIRS), Kessler ... between people with multiple sclerosis (MS) and healthy ... which brain activation was studied using fNIRS while ... and cognition using functional near infrared spectroscopy (fNIRS) ... 11 by Brain Imaging and Behavior . ...
Breaking Biology News(10 mins):Paleontology: Oldest representative of a weird arthropod group 2WaferGen Bio-Systems Announces Successful Completion of Public Offering Raising $20 Million 2WaferGen Bio-Systems Announces Successful Completion of Public Offering Raising $20 Million 3Kessler Foundation researchers publish first study of brain activation in MS using fNIRS 2
... simple kitchen sink experiment helped Northwestern University researchers discover ... to steep a good cup of tea, but they ... so can red wine, dark chocolate and cacao beans, ... work in a new way. (Polyphenols are naturally occurring ...
... Clean drinking water is a diminishing natural resource in ... Research Centre of Finland has developed a simple and ... Sources of phenolic compounds found in drinking water include ... are toxic and some may even cause cancer. , ...
... and poor soil have similar antioxidant activity to conventionally ... 21 in the open access journal PLOS ONE ... Brazil and colleagues from other institutions. Twelve fruit ... soils, were compared to conventional Red Delicious apples purchased ...
Cached Biology News:Sticking power of plant polyphenols used in new coatings 2Sticking power of plant polyphenols used in new coatings 3Finnish researchers develop quick test kit for detecting phenolic compounds in drinking water 2
(Date:8/28/2014)... August 28, 2014 Sterlitech is proud ... membranes to its stable of products . ... weight cut-offs and include membrane filters with surface charges. ... in customer demand for our membrane process testing equipment, ... of flat sheet membranes,” explains Sterlitech President Mark Spatz. ...
(Date:8/28/2014)... this month, a report was created by Colorado ... Force on the performance of vehicles using an eco-friendly, ... fuel made from mustard seeds, offered great potential as ... friendly future. In fact, every branch of the U.S. ... foreign oil over the next few years. They will ...
(Date:8/27/2014)... TX (PRWEB) August 27, 2014 Green ... million in Series B funding and secured Otter Capital ... investment capital will accelerate commercialization of GGI’s Agriplier™ technology, ... crop types. , “Since our first meeting, we ... to the biological product space,” said Alan Sobba, President ...
(Date:8/27/2014)... is how plants survive impact by the huge ... while using this energy for photosynthesis. The hypothesis ... blades quickly dissipate the energy throughout the entire ... DTU Physics have now managed to successfully ,film, ... contain light-absorbing proteins which play a role in ...
Breaking Biology Technology:Sterlitech Corporation Enhances Its Selection of Flat Sheet Membrane Filters 2Can Small Farmers and a New Seed Based Biofuel “Green” the World? Major Universities and Even the U.S. Air Force Seem to Think So 2Can Small Farmers and a New Seed Based Biofuel “Green” the World? Major Universities and Even the U.S. Air Force Seem to Think So 3Can Small Farmers and a New Seed Based Biofuel “Green” the World? Major Universities and Even the U.S. Air Force Seem to Think So 4Can Small Farmers and a New Seed Based Biofuel “Green” the World? Major Universities and Even the U.S. Air Force Seem to Think So 5Green & Grow Inc. Secures $6M Series B Funding from Otter Capital 2Green & Grow Inc. Secures $6M Series B Funding from Otter Capital 3DTU researchers film protein quake for the first time 2
... Operations, NAPLES, Fla., Sept. 8 Algenol ... third generation biofuels,technology, today announced the appointment of ... Coleman, currently the Vice-Principal Research and,Graduate Studies at ... of,experience in the fields of molecular biology and ...
... today announced,that the company has been selected to ... (http://www.advamed2008.com ), on Monday, September,22, 2008 in ... in the "Next Generation" category,Mr. Rudy Mazzocchi, the ... the increasing use of Vision Restoration Therapy,(VRT) among ...
... Corporation,s (Amex: ETC ) ("ETC" or the ... of two new contracts. The,contracts include a new ... Pharmaceutical Sterilization System to a new customer., ... 00 926 2151), also,known as "Big Bertha", is ...
Cached Biology Technology:Algenol Biofuels Appoints Chief Science Officer 2NovaVision CEO Named Presenter at the AdvaMed 2008 Conference 2Environmental Tectonics Corporation's Sterilization Systems Group Announces New Contracts 2Environmental Tectonics Corporation's Sterilization Systems Group Announces New Contracts 3
... Bio-Beads SM-2 adsorbents are macroporous polystyrene beads ... high surface area for adsorbing organics of ... solutions. The beads are useful for the ... agents; for example, the removal of detergents ...
... Factor XIII in both reduced and non-reduced forms. ... B-chain or human Factor XII. Factor XIII is ... of two subunits. Factor XIII-A is the catalytic ... Factor XIII is present in plasma as an ...
Anti-CaM kinase II recognizes the enzymes a subunit (6) and reacts with tissue from all mammalian species tested, as well as with chicken and frog tissues....
Ca2+ Channel Ca gamma 2 Purified Anti-Mouse, Anti-Rat, Anti-Human clone Polyclonal, Isotype Rabbit Ig, 50 µl Consult technical datasheet for details....
Biology Products: