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Maiasaura
Click here for more Maiasaura Pictures
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:
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.
By Janet Riehecky
Brand: Childs World
Library Binding (32 pages)
 | List Price: $21.36*
Lowest Used Price: $6.18*
In Stock*
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Click Here | Description:
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
Physical Description:- Size: 10.5 inches by 8.5 inches by 0.5 inches
- Weight: 0.6 Pounds
Features:- Used Book in Good Condition
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By Duncan Searl
Bearport Publishing
Released: August 1st, 2006
Library Binding (32 pages)
 | List Price: $29.95*
Lowest Used Price: $10.73*
In Stock*
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Click Here | Description:
The Maiasaura Nests: Jack Horner's Dinosaur Eggs (Fossil Hunters)- Manufacturer: Bearport Books
- 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: 10.25 inches by 8.25 inches by 0.5 inches
- Weight: 0.70106999316 pounds
Features:- Used Book in Good Condition
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By Dougal Dixon
Brand: Picture Window Books
Released: September 1st, 2006
Library Binding (24 pages)
 | List Price: $26.65*
Lowest Used Price: $1.69*
In Stock*
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Click Here | Description:
Maiasaura and Other Dinosaurs of the Midwest (Dinosaur Find)- Manufacturer: Picture Window Books
- Brand: Brand: Picture Window Books
- ISBN: 1404827498
- EAN: 9781404827493
Details:- Product Category: Library Binding
- Number of Pages: 24
- Author: Dougal Dixon
- Publication Date: September 1st, 2006
- Release Date: September 1st, 2006
Physical Description:- Size: 10.5 inches by 10.75 inches by 0.25 inches
- Weight: 0.85 pounds
Features:- Used Book in Good Condition
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By Elizabeth J. Sandell & Harlan S. Hansen
Bancroft Sage Pub
Released: January 1st, 1989
Hardcover (31 pages)
 | List Price: $17.26*
Lowest Used Price: $6.48*
In stock Usually ships within 3 to 4 days.*
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Click Here | Description:
Maiasaura: The Good Mother Dinosaur (Dinosaur Discovery Era)- Manufacturer: Bancroft Sage Pub
- ISBN: 094428017X
- EAN: 9780944280171
Details:- Hardcover
- Number of Pages: 31
- Authors: Elizabeth J. Sandell, Marjorie L. Oelerich, Harlan S. Hansen, Vista III Design
- Publication Date: January 1st, 1989
- Release Date: January 1st, 1989
Physical Description:- Size: 12.25 inches by 9.25 inches by 0.25 inches
- Weight: 1.05 pounds
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By Virginia Schomp
Cavendish Square Publishing
Released: January 30th, 2005
Library Binding (31 pages)
 | List Price: $32.64*
Lowest New Price: $19.42*
In Stock*
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Maiasaura: And Other Duck-Billed Plant-Eaters (Prehistoric World)- Manufacturer: Cavendish Square Publishing
- Brand: Cavendish Square Publishing
- ISBN: 0761415459
- EAN: 9780761415459
Details:- Product Category: Library Binding
- Edition: Illustrated
- Number of Pages: 31
- Author: Virginia Schomp
- Publication Date: January 30th, 2005
- Release Date: January 30th, 2005
Physical Description:- Size: 10.24 inches by 10.14 inches by 0.43 inches
- Weight: 0.93916923612 pounds
Features:- Used Book in Good Condition
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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.
HAOLONGGOOD
 | List Price: $32.99*
Lowest New Price: $28.99*
In Stock*
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Click Here | Description:
HAOLONGGOOD New Maiasaura 1：35 Science and Art Model (Hua Di)- Manufacturer: China
- Brand: HAOLONGGOOD
- Model: HLG-101/102
- UPC: 797422101988
- EAN: 0797422101988
- PartNumber: HLG-101/102
Physical Description:- Size: 3.0 inches by 9.0 inches by 1.5 inches
- Color: Hua Di
Features:- Maiasaura lived in the Late Cretaceous,Maiasaura was a herbivorous dinosaur that primarily fed on plants, including various ferns and leaves.
- Maiasaura has the habit of living in groups and habitually nesting in groups. Our Maiasaura model contains a baby dinosaur.
- This model of Maiasaura is a 1:35 scientific restoration model that combines artistic creation and design. Bringing prehistoric civilization to our eyes.
- This product is a scientific reductive model that is perfect for educational purposes, endangered species awareness, environmental awareness, as well as gaining a deeper knowledge of actual animals.
- Not only is it the perfect gift for dinosaur lovers, but it also makes a great birthday present and is suitable for family surprises and educational institutions.
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WLNTDOLA
 | Lowest New Price: $22.99*
Usually ships within 4 to 5 weeks*
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Click Here | Description:
WLNTDOLA 1:35 Scale Maiasaura Mother and Son Model Dinosaur Animal Action Figure Decor Scene Birthday Gift (Green with Box)- Manufacturer: WLNTDOLA
- Brand: WLNTDOLA
- Model: WLN709
- PartNumber: WLN709
Physical Description:- Size: 2.9 inches by 9.0 inches by 1.4 inches
- Weight: 0.2 pounds
- Color: Green With Box
Features:- ✅【Size】Adult Maiasaura Size: 9" L(230MM) x 2.9" H(75MM) x 1.4" W(38MM), Original Box Size: Adult Maiasaura Size: 9" L(230MM) x 2.9" H(75MM) x 1.4" W(38MM).
- ✅【Package Include】1 x Adult Maiasaura Model,1 x Juvenile Maiasaura Model, 1 x Original Box.
- ✅【Feature】Dinosaur Figure, Animal Collector, Decoration Scientific Art Model.
- ✅【Material】Made of PVC, Safe and Eco-friendly.
- ✅ 【 Note】Please refer to the measurement. The tiny measuring error is allowable in the normal range. There might be a little color difference due to the monitor, camera or other factors, please refer to the physical item.
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Safari Ltd.
Scaly Skin With Dappled Shades of Brown and Vibrant Splashes of Purple Toy
 | Lowest New Price: $6.99*
In Stock*
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Click Here | Description:
Safari Ltd. Iguanodon Figurine - Detailed 7.25" Dinosaur Figure - Educational Toy for Boys, Girls, and Kids Ages 3+- Manufacturer: Safari Ltd.
- Brand: Safari Ltd.
- Model: S305429
- UPCs: 793631265213, 095866000578
- EANs: 0793631265213, 0095866000578
- PartNumber: S305429
Details:Physical Description:- Size: 3.93700787 inches by 7.2834645595 inches by 2.755905509 inches
- Weight: 0.18 pounds
- Color: Scaly Skin With Dappled Shades of Brown and Vibrant Splashes of Purple
Features:- Realistic Iguanodon Figure: The Iguanodon toy figure accurately depicts the plant-eating dinosaur's unique characteristics, including its horny beak, leaf-shaped teeth, long tail, short arms with five-fingered hands, blunt and hoof-like claws, and a sharp thumb spike.
- Scientifically Accurate: With the help of paleontologists, our Iguanodon toy figure accurately represents the real-life dinosaur, enhancing its educational value.
- Safe and Durable: Made from high-quality, durable, non-toxic, BPA-free materials, the Iguanodon toy ensures safe play and longevity.
- Educational Tool: The Iguanodon figure is a valuable educational tool, encouraging curiosity and learning about prehistoric creatures, paleontology, evolution, and natural history.
- Part of Prehistoric World Collection: The Iguanodon figure is part of Safari Ltd.'s Wild Safari Prehistoric World Collection, renowned for its wide array of detailed and scientifically accurate prehistoric creature models.
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Schleich
Multi Accessory
 | List Price: $24.99*
Lowest New Price: $12.59*
In Stock*
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Schleich Dinosaurs, Large Dinosaur Toys for Boys and Girls, Realistic Mosasaurus Toy Figurine, Ages 4+- Manufacturer: Schleich
- Brand: Schleich
- Model: 15026
- EAN: 4059433307596
- PartNumber: 15026
Details:- Product Category: Accessory
Physical Description:- Size: 2.598 inches by 12.677 inches by 4.646 inches
- Weight: 0.42 pounds
- Color: Multi
Features:- DETAILED & REALISTIC. Crafted with precision and authentic detail to create a lifelike toy that teaches and inspires toddlers and kids; helps introduce children to animals. From the first sketch to the intricate finishing touches, we see value in every detail.
- HEALTHY IMAGINATIVE PLAY. The Mosasaurus from Schleich is carefully designed to inspire safe and creative pretend play for children as both a single toy or part of a larger collection.
- PART OF A GROWING PLAY WORLD. The Mosasaurus is part of the Dinosaurs collection of figurines and playsets from Schleich. Great for gifting, this figurine can stand alone or fit into a larger, modular play world.
- BUILT TO LAST. As an 85-year-old German toy company, we are committed to manufacturing realistic toys with the highest standard of quality and safety for years of durable play and collectability. All products and the materials used meet or exceed the strictest applicable toy safety requirements.
- EXPERT APPROVED. “Schleich playsets and figurines inspire kids to play imaginatively: an essential part of healthy childhood development so often overlooked in today’s fast-paced world.” - Dr. Sandra Stone, open-ended play expert
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Taken All
 | Lowest New Price: $13.90*
In Stock*
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Click Here | Description:
30 Piece Dinosaurs Toys Set - Plastic Dinosaurs Figures, Realistic Dinosaurs Trees & Rocks,Dinosaur Eggs and Nest,Kids Dinosaurs Toys Set for Boys and Girls- Manufacturer: Taken All
- Brand: Taken All
- UPC: 603894246129
- EAN: 0603894246129
- PartNumber: TAB092101
Physical Description:- Size: 1.968503935 inches by 8.4645669205 inches by 5.511811018 inches
- Weight: 0.7495716908 pounds
- Color: Multi_color
Features:- Made of good quality PVC.Come in delicate dinosaur shape with various vivid poses and colors.
- Super value dinosaur toy set:Includes Tyrannosaurus medium size 1 pieces 7 inches,small size 8 pieces,1 rock and 3 fences ,11 trees,4 dinosaur eggs，2 Dinosaur egg nest。
- Assorted dinosaur figures in different colors,realistic dinosaur appeararance, It's very funny and educational. Kids will enjoy hours of Imaginative play foster an interest in science.
- Perfect for party favors, birthday party games, educational purposes, party decoration, party favors, handouts or rewards. Ideal party favor or gift for a dinosaur themed birthday party.
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Safari Ltd.
Toy
 | Lowest New Price: $29.95*
In Stock*
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Click Here | Description:
Safari Ltd. Dino Dana Feathered T-Rex Figurine - Detailed 12" Plastic Model Figure - Fun Educational Dinosaur Play Toy for Boys, Girls & Kids Ages 3+- Manufacturer: Safari Ltd.
- Brand: Safari Ltd.
- Model: 101006
- UPC: 095866006419
- EAN: 0095866006419
- PartNumber: 101006
Details:Physical Description:- Size: 5.118110231 inches by 6.692913379 inches by 3.149606296 inches
- Weight: 0.220462262 pounds
Features:- Detailed Representation: Straight from the Dino Dana film, this hand-painted, lifelike T-Rex dinosaur figurine features movie-accurate details, including a feathered appearance and a distinct color pattern.
- Educational and Fun: This figurine fosters curiosity about paleontology and stimulates imaginative play. Moreover, by scanning the QR code on the figure’s hangtag and downloading the Dino Dana app, kids can enjoy an Augmented Reality experience, bringing this Feathered T-Rex "to life"!
- Safe and High-Quality: Crafted from durable, high-quality, non-toxic, BPA-free PVC, this T-Rex toy is safe for children aged 3 and up.
- Dimensions: The Feathered T-Rex dinosaur figure measures 12 inches long and stands 5 1/4 inches tall, perfect for kids to hold and play with.
- Great Gift Idea: An ideal gift for Dino Dana fans, dinosaur lovers, and budding paleontologists, this model figure brings learning and playing together in a fun way.
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PREXTEX
Multi_color Toy
 | Lowest New Price: $23.99*
In Stock*
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Click Here | Description:
PREXTEX Dinosaur Toys for Kids 3-5 - 12 Dinosaur Figurines and Dinosaur Book for Kids with Sound - Realistic Toy Dinosaur Figures - Dino Toys with Sound Books for Kids- Manufacturer: Prextex
- Brand: PREXTEX
- Model: RXZER23
- UPC: 810031583980
- EAN: 0810031583980
- PartNumber: PR83980
Details:Physical Description:- Size: 5.118110231 inches by 5.118110231 inches by 5.118110231 inches
- Weight: 0.625 Pounds
- Color: Multi_color
Features:- Interactive Dinosaur Sound Book: Includes a sound book that lets kids learn the names and sounds of the dinosaurs; press the corresponding button for each dinosaur picture to hear the unique roar
- Toy Dinosaurs For Boys And Girls: Twelve toy dinosaurs for kids to play with; featuring a variety of species like T-Rex, Stegosaurus, and Triceratops; encourages imaginative play and storytelling
- Realistic Dinosaur Toys: Crafted from plastic with detailed textures and vibrant colors; these realistic dinosaur toys spark curiosity; suitable for teaching kids about different dinosaur species
- Dinosaur Toy Figure Set: Each dinosaur toy figure is designed with attention to accuracy and durability; for kids aged three to five; ideal for educational activities and dinosaur-themed parties
- Set Of Dinosaur Figures: Beautifully packaged making it an excellent gift for young dinosaur enthusiasts; interactive elements of the sound book and detailed figures make it fun and educational
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