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Maiasaura
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Maiasaura was a plant-eating dinosaur that lived in
North America during the late Cretaceous period,
about 80 to
65 million years ago.
It was probably one of the dinosaurs that died out in the Cretaceous-Tertiary
extinction,
65 million years ago.
Maiasaura adults were about 30 feet (9.1 meters) long,
and weighed 3 to 4 tons.
The creature could walk on two or four legs, and had
no obvious defenses against predators except for its
heavy muscular tail, and the fact that it lived in
large herds (some herds many have consisted of as many
as 10,000 individuals).
When Maiasaura was first discovered in
western
Montana
in 1978
by "Jack" Horner
and Robert Makela,
a complete nesting site was
found, where the dinosaurs laid their eggs, and nutured their young.
The nests were mounds of mud, with a depression in the center of each
mound. The eggs had been laid with great care, arranged in circles and layers
within the depression, each nest containing 30 to 40 eggs, each about the size
of an ostrich egg. Scientists believe that
Maiasaura would probably have covered each layer of eggs with sand or earth,
to protect them from predators, and
to keep the eggs warm. Although the parents are not believed to have sat
on the nests, it is highly likely that heat generated by
rotting vegetation in the nest, contributed to warming the eggs.
The name Maiasaura means "Good Mother Lizard", and was chosen in honor of the fact
that it was the first dinosaur species discovered with clear and convincing
evidence that it cared for its young.
This includes the fact that
fossils
of baby Maiasaura show that the hatchlings' legs were not fully
developed, and were incapable of walking, yet also show partially
worn teeth, indicating that the adults brought food to the nest.
Maiasaura has been designated the official state
fossil
of
Montana,
since
1985.
Maiasaura was the first dinosaur in space. A Maiasaura egg-shell, and a piece
of bone from a baby Maiasaura, were taken into space by NASA in
1985.
Maiasaura was a herbivore (plant-eater) that lived from 80 to 65 million years ago
Related Information & Resources
See Also
Maiasaura Facts
Here is a summary of some of the key facts about Maiasaura:
- Maiasaura was a genus of dinosaur.
- "Maiasaura" means "good mother lizard". This name was chosen by "Jack" Horner and Robert Makela in 1978, and refers to the fact this was the first dinosaur for which evidence of naturing behavior was found.
- Maiasaura was a member of the Ornithischia ("bird-hipped") order of dinosaurs. What this means, is that although Maiasaura was not closely related to birds, it did have similarly shaped pelvic bones.
- Maiasaura was a Hadrosaur (usually known as "duck-billed dinosaur") - a member of a group of related herbivorous (plant-eating) dinosaurs that were very successful in the Cretaceous period.
- Maiasaura lived between about 80 million years ago and 65 million years ago, during the late Cretaceous period.
- Maiasaura was one of the dinosaurs which died out during the Cretaceous-Tertiary mass extinction at the end of the Mesozoic Era.
- Maiasaura lived in North America.
- Maiasaura was a herbivore (plant-eater).
- Maiasaura was about 30 feet (9.1 meters) long.
- Maiasaura weighed about 3 to 4 tons.
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Maiasaura Books
Here are some books from Amazon.com:
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By John R. Horner
Running Press,U.S.
Released: April 1st, 1989
Paperback (56 pages)
 | Lowest Used Price: $6.48*
In Stock.*
*(As of 05:40 Pacific 22 Oct 2020 More Info)
Click Here | Description:
Maia: A Dinosaur Grows Up- Manufacturer: Running Pr Book Pub
- Brand: Running Press,U.S.
- ISBN: 0894716913
- EAN: 9780894716911
Details:- Paperback
- Edition: Reissue
- Number of Pages: 56
- Authors: John R. Horner, James Gorman
- Publication Date: April 1st, 1989
- Release Date: April 1st, 1989
Physical Description:- Size: 10.9 Inches by 0.2 Inches by 8.4 Inches
- Weight: 0.25 Pounds
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By Susan H Gray
Child's World
Released: August 1st, 2009
Library Binding (24 pages)
 | List Price: $27.07*
Lowest New Price: $25.64*
Available to ship in 1-2 days.*
*(As of 05:40 Pacific 22 Oct 2020 More Info)
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Maiasaura (Introducing Dinosaurs)- Manufacturer: Child's World
- Brand: Child's World
- ISBN: 1602532397
- EAN: 9781602532397
Details:- Product Category: Library Binding
- Format: Illustrated
- Edition: Illustrated
- Number of Pages: 24
- Author: Susan H Gray
- Publication Date: August 1st, 2009
- Release Date: August 1st, 2009
Physical Description:- Size: 8.22 Inches by 9.72 Inches by 0.35 Inches
- Weight: 0.57 Pounds
Features:- Used Book in Good Condition
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By Janet Riehecky
Brand: Childs World
Released: December 1st, 1989
Library Binding (32 pages)
 | Lowest New Price: $24.65*
In Stock.*
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Maiasaura : Dinosaurs Series- Manufacturer: The Childs World Inc
- Brand: Brand: Childs World
- ISBN: 0895655438
- EAN: 9780895655431
Details:- Product Category: Library Binding
- Number of Pages: 32
- Author: Janet Riehecky
- Publication Date: December 1st, 1989
- Release Date: December 1st, 1989
Physical Description:- Size: 10.5 Inches by 8.5 Inches by 0.5 Inches
- Weight: 0.65 Pounds
Features:- Used Book in Good Condition
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By Daniel Cohen
Capstone Press
Released: September 1st, 2000
Paperback (24 pages)
 | Lowest New Price: $15.00*
In Stock.*
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Maiasaura (Discovering Dinosaurs)- Manufacturer: Capstone Press
- ISBN: 0736856897
- EAN: 9780736856898
Details:- Paperback
- Number of Pages: 24
- Author: Daniel Cohen
- Publication Date: September 1st, 2000
- Release Date: September 1st, 2000
Physical Description:- Size: 7.99999999184 Inches by 8.12598424368 Inches by 0.06299212592 Inches
- Weight: 0.15 Pounds
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By Duncan Searl
Bearport Publishing
Released: August 1st, 2006
Library Binding (32 pages)
 | Lowest New Price: $28.50*
Usually ships within 6 to 10 days.*
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The Maiasaura Nests: Jack Horner's Dinosaur Eggs (Fossil Hunters)- Manufacturer: Bearport Publishing
- Brand: Bearport Publishing
- ISBN: 1597162574
- EAN: 9781597162579
Details:- Product Category: Library Binding
- Format: Illustrated
- Edition: Illustrated
- Number of Pages: 32
- Author: Duncan Searl
- Publication Date: August 1st, 2006
- Release Date: August 1st, 2006
Physical Description:- Size: 10.18 Inches by 8.18 Inches by 0.34 Inches
- Weight: 0.7 Pounds
Features:- Used Book in Good Condition
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By Elizabeth J. Sandell
Bancroft Sage Pub
Released: August 1st, 1991
Paperback (32 pages)
 | Lowest New Price: $10.00*
In Stock.*
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Maiasaura: The Good Mother Dinosaur (Dinosaur Discovery Era)- Manufacturer: Bancroft Sage Pub
- ISBN: 0944280234
- EAN: 9780944280232
Details:- Paperback
- Number of Pages: 32
- Author: Elizabeth J. Sandell
- Publication Date: August 1st, 1991
- Release Date: August 1st, 1991
Physical Description:- Size: 12.0 Inches by 9.0 Inches by 0.25 Inches
- Weight: 0.3747858454 Pounds
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Maiasaura Toys
Here are some toys/games from Amazon.com:
Disclosure: Products details and descriptions provided by Amazon.com. Our company may receive a payment if you purchase products from them after following a link from this website.
Maikouhai
Toy
 | Lowest New Price: $12.43*
In Stock.*
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Maikouhai Maiasaura Model Birthday Gifts School Project Dinosaur Collections Toys- Manufacturer: Maikouhai
- Brand: Maikouhai
- EAN: 7433447276968
- PartNumber: Maikouhai
Details:Features:- Premium Material for Durable and Long Lasting Dinosaur Action Figure: Made of environmently PVC , Safe, non-toxic, and environment friendly, to ensure you safety play. help kid to find confidence and motivate them to learn more new things.
- Fun and educational for both boys and girls. Kid dinosaur toys are great for home school, as part of a science project at school, or even for taking with you on road trips or in the house!
- Exquisite Workmanship Model for Kid: Great for the Children's Christmas, will make your Children very happy and surprised.Also Perfect Festival Birthday Gift For your kid.
- The dinosaur figures can be used as stocking stuffers, party favors, decorations, rewards and gifts. Perfect for a dinosaur themed birthday party, and science project or report.
- Dinosaur figures are painted with amazing detail, realistic, educational, and fun, this figurine is suitable for a range of interests, including collectors, teachers, and kid. Another special characteristic of this figure is the care in the details and postures, which gives the impression that the figurines are animated.
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FLORMOON
Toy
 | Lowest New Price: $16.94*
In Stock.*
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FLORMOON Dinosaur Toy - Realistic Maiasaura Animals Figure - Early Educational Toys Science Project Christmas Birthday for Boys and Girls- Manufacturer: FLORMOON
- Brand: FLORMOON
- UPC: 763944126792
- EAN: 0763944126792
- PartNumber: FLM-10408-1113US
Details:Features:- Safety Material - Animal Figurines made of durable Eco-friendly plastic material, BPA Free, Phthalates Free and Non-Toxic. Conforms to Releated Toy Safety Standards. Safety always comes first.
- Realistic Animal Figures - Our Animal figurines was hand painted with high realistically detailed appearance, cute face and childish eyes. Their uniquely molded textures and richly painted details make the animals vivid.
- Imaginative Play - The Realistic animals Figure palyset will spark hours of imaginative play. Make away your kids from electronics and let your child's imagination run wild as they create imaginary interactions with African wild animals figurines toys.
- Great Fift for Children - The animal figurines toys are great for stocking stuffers, Christmas party favors, holidays, birthday party games, educational purposes, learning Playset toys, party decoration, party favors or rewards. Ideal party or birthday gifts supplies set for a jungle animals world themed.
- Long-term Warranty - We have a no hassle 108% guarantee refund policy. If you get the play animal figures set and do not love them, simply return for a full refund. Just Add to your cart now!
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Flormoon
| Lowest New Price: $14.36*
In Stock.*
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Flormoon Dinosaur Toy Realistic Maiasaura Plastic Early Educational Toys Cupcake Topper Party Gift for Kids 2+ Year Old(Soft)- Manufacturer: FLORMOON
- Brand: Flormoon
- UPC: 727380059076
- EAN: 0727380059076
- PartNumber: US0220EJ*10408
Physical Description:- Weight: 0.7054792384 Pounds
Features:- Best Gift for 2 year old up: Our toy animal is an awesome birthday gift or reward and look great as kid's room decoration. Kids love that very much.
- Safety Kids Toy: Animal action figures was made of plastic durable material, Eco-friendly, BPA Free, Phthalates Free. Conforms to ASTM/CE/CPSC Toy Safety Standards.
- Realistic Toy Figures: Our animal toys was hand painted with high realistically detailed appearance. Their uniquely molded textures and richly painted details make the animals vivid.
- Jungle Animals World Themed Party: The animal figurines toys are great for Christmas party favors, holidays, birthday party games, science project, early educational toys, party decoration or rewards.
- Early Educational Toys: Miniature animal figurines will spark hours of imaginative play. It will help to improve children's concentration and outsight, develop and train their imagination and creativity.
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Collecta
Toy
 | Lowest New Price: $9.74*
In Stock.*
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CollectA Prehistoric Life Rajasaurus Toy Dinosaur Figure - Authentic Hand Painted & Paleontologist Approved Model- Manufacturer: CollectA
- Brand: Collecta
- Model: 88555
- EAN: 4892900885551
- PartNumber: 88555
Details:Physical Description:- Size: 2.44094 Inches by 6.61416 Inches by 1.10236 Inches
- Weight: 0.0220462262 Pounds
Features:- FUN FACTS: Rajasaurus means "Kingly Lizard". It was a bipedal theropod dinosaur with a unusual head crest.
- PALEONTOLOGIST APPROVED: Working with experts from across the globe, Collecta hand-painted figurines are all factually accurate and paleontologist-approved, so little ones get to learn while they play.
- AUTHENTICITY: Each prehistoric sculpture has been approved by Anthony Beeson, a well respected expert in palaeoimagery who is also an art librarian, archaeologist and collector, based in the city of Bristol, England.
- SAFETY: All CollectA products are individually hand crafted with only the finest materials and rigorously tested to ensure they meet the highest safety standards.
- PRODUCT SPECS: Rajasaurus measures 6.61 in L x 1.10 in W and is suitable for kids 3 and up.
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Yeonha Toys
Orange Toy
 | Lowest New Price: $12.75*
In Stock.*
*(As of 05:41 Pacific 22 Oct 2020 More Info)
Click Here | Description:
Yeonha Toys Dinosaur Figure, 7 Inch Jumbo Dinosaur Toy Playset(12 Pack), Safe Material Assorted Realistic Dinosaur, Vinyl Plastic Dino Dinosaur Set Party Favors Toys for Kids Boys Toddler Educational- Manufacturer: Yeonha Toys
- Brand: Yeonha Toys
- UPC: 729680110655
- EAN: 0729680110655
- PartNumber: Yeonha12dinosaur
Details:Physical Description:- Size: 11.0 Inches by 0.1 Inches by 10.7 Inches
- Weight: 0.73 Pounds
- Color: Orange
Features:- Dinosaur toy, 12 pack unique dinosaur with vibrant colors. Enhance imaginative play, memorization, recall And foster kids science curiosities.
- Dinosaur set, measures approximately 6. 5 - 7. 5 inch in length, Made up of durable, nontoxic, BPA free high-quality plastic, strong enough to withstand hours of Rugged play.
- Dinosaur figure are one of the top learning Resources for your child! Great for kids, and both boys and girls of all ages from 3 and above!
- These large realistic looking plastic dinosaur will keep your kids interested for hours, Ideal for any dinosaur themed party! !
- Add them to your child's dinosaur collection! Includes T-Rex, Pterosaur, Triceratops, tanystropheus and so on
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OuMuaMua
Mixed Color Toy
 | List Price: $16.99*
Lowest New Price: $10.98*
In Stock.*
*(As of 05:41 Pacific 22 Oct 2020 More Info)
Click Here | Description:
OuMuaMua Realistic Dinosaur Figure Toys - 6 Pack 7" Large Size Plastic Dinosaur Set for Kids and Toddler Education, Including T-rex, Stegosaurus, Monoclonius, etc- Manufacturer: 6 Dinosaur
- Brand: OuMuaMua
- PartNumber: B07VYPDFJ7
Details:Physical Description:Features:- REALISTIC DINOSAUR FIGURES - These large size realistic dinosaur figures will spark hours of imaginative play for children. Dinosaur species including T-rex, Stegosaurus, Monoclonius, Acanthosis,Ceratosaurus,Brachiosaurus, are durable enough to be used indoors or out. Different species of dinosaurs in various poses which will provide you with a realistic experience
- DURABILITY DINOSAUR TOYS - The unique dinosaur toy set with vibrant colors and are made from durable, flexible, long-lasting vinyl. All dinosaurs are hand painted with full details. Their uniquely molded textures and richly painted details bring them to life and help inspire creativity for kids
- LARGE SIZE DINOSAUE FIGURES - 6pcs set of dinosaur toys are approximately 6 - 7 inch in length, larger than most of the other similar toys. Kids will enjoy Playing with these realistic-looking dinosaurs. It’s Funny and educational for both boys and girls
- PREFECT GIFT FOR KIDS - Are you looking for a perfect gift for your kids? Our dinosaur figure set will be a unique gift idea .The dinosaur toys are great for dinosaur theme party toys, birthday party games, educational purposes, learning toys or rewards
- 100% GUARANTEE - 120 days Guarantee. Please be confident to buy it . If you aren't completely satisfied, contact us for a replacement or refund.
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Goodtimer
White Electronics
 | Lowest New Price: $79.95*
In Stock.*
*(As of 05:41 Pacific 22 Oct 2020 More Info)
Click Here | Description:
Goodtimer - Positive Reinforcement Educational Toy, Visual Timer and Chore Chart- Manufacturer: Plus Up, LLC
- Brand: Goodtimer
- Model: PUGT1
- UPC: 860002661803
- EAN: 0860002661803
Details:- Product Category: Electronics
Physical Description:- Size: 4.0 Inches by 9.0 Inches by 6.0 Inches
- Color: White
Features:- ENCOURAGE BETTER BEHAVIOR: Create the ideal environment to encourage your child to listen the first time. Backed by neuroscience and developed by positive parenting experts, Goodtimer’s patented technology is a highly effective way to reinforce good behavior and encourage children to form good habits that last.
- TECHNOLOGY THAT WORKS - Goodtimer is a chore chart reinvented for modern families. Kids respond to Goodtimer’s brightly glowing lights, token incentives, and encouraging voice, with game-style functionality that is interactive and simple enough for toddlers to understand. The result is one easy-to-use educational toy that provides children with a consistent framework for success.
- CUSTOMIZE FOR YOUR FAMILY – The included children’s book explains how Goodtimer works and gives your family the tools you need to help your child succeed. While reading the included children’s book, you’ll clarify your house rules, ensuring that everyone is on the same page and establish a token incentive system that is consistent with your family’s values.
- GROWS WITH YOUR CHILD - Adjust the difficulty level with 10 convenient settings allowing that product to grow with your child as they reach new developmental milestones. When enough Good Time is earned, Goodtimer dispenses tokens (32 reusable tokens included) children can collect in the included token pouch and exchange for incentives that your family decides. The result is a tangible allowance that reinforces good behavior.
- TRAVEL-FRIENDLY - Set Goodtimer to “Travel Mode” to encourage your child to continue to behave while you’re on the go. Designed to be ‘toddler-tough’ with a rechargeable battery and energy-efficient LEDs that can last up to 5 days before recharging using the included charging adapter. Lightweight and portable, Goodtimer makes an ideal nightlight. Dim the brightness with easy-to-use touch controls; Goodtimer has a comforting glow that kids love to make part of their bedtime routine.
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