PARASAUROLOPHUS
Parasaurolophus walkeri
DESCRIPTION
Parasaurolophus walkeri is a distinctive hadrosaurid dinosaur known for its long, backward-curving cranial crest. This crest likely played a role in communication and possibly in thermoregulation. It was a herbivorous dinosaur that lived in herds, suggesting social behavior and a complex ecology within its environment.
FUN FACTS
- The crest of Parasaurolophus is one of the most recognizable features of any dinosaur, and it is believed to have been used for communication, possibly producing sounds that could be heard over long distances
- Additionally, the unique shape of the crest may have helped in regulating body temperature, allowing this dinosaur to thrive in its environment.| Fossils of Parasaurolophus have been found in various stages of growth, indicating that they had a complex life cycle and social structure
- The discovery of these fossils has provided significant insights into the behavior and ecology of hadrosaurids during the Late Cretaceous period
QUICK INFO
Lifespan20-30 years
Average Weight400-500 kg
Average Length8-10 m
Diet TypeHerbivore
Social Structuregroup — typically found in herds for protection and social interaction
Activity PatternDiurnal
Breeding SeasonSpring (March-May)
- Habitat
- Parasaurolophus inhabited floodplains and coastal regions, where lush vegetation was abundant. These habitats provided ample food resources and suitable conditions for social interactions.
- Biomes
- Temperate Forest, Floodplain
- Native Range
- North America, particularly in what is now Canada and the United States.
- Continent
- North America
- Countries
- Canada, United States
- Diet
- Parasaurolophus primarily fed on a variety of vegetation, including leaves, shrubs, and possibly aquatic plants. Its beak and grinding teeth were well-adapted for processing tough plant material.
- Diet Type
- Herbivore
- Favorite Food
- leaves, shrubs, aquatic plants
- Social Structure
- group — typically found in herds for protection and social interaction
- Activity Pattern
- Diurnal
- Group Size
- 10-30
- Territorial
- 0
EX
DD
400-500 kg
Weight
8-10 m
Length
3 m at crest
Height (Shoulder)
- Coloration
- likely had a combination of earthy tones, possibly with patterns for camouflage
- Lifespan
- 20-30 years
- Offspring per Birth
- 1-2
- Sexual Maturity
- 3-4 years
- Breeding Season
- Spring (March-May)
DD
Data Deficient
IUCN Red List Status
- Population Status
- Fossil evidence suggests a once-thriving population, but current estimates are unknown.
- Population Trend
- Unknown
- Endangered
- 0
- Threats
- As a prehistoric species, Parasaurolophus faces no current threats, but habitat loss and climate change would have impacted its survival during its time. Fossil evidence indicates competition with other herbivores may have also been a factor.
- Predators
- Tyrannosaurus rex, Allosaurus, large theropods
- Defense Mechanisms
- Herding behavior for protection against predators and possibly the ability to run quickly.
- Found in Zoos
- Rare