WHO WILL WIN?
Kangaroo
THUMP-CHUFF
Parasaurolophus
TROOOOT
THE SETUP

Kangaroo vs Parasaurolophus

Kangaroo
Kangaroo
Parasaurolophus
Parasaurolophus

Pretend they meet in grassland. Dinosaurs lived long ago. Look at the facts. Then you pick.

Would they meet?

No. Kangaroo and Parasaurolophus did not live at the same time. This meeting is pretend.

This is pretend and based on facts. Real animals usually hide or leave.

Read the facts. Make your card. The page waits to pick.

Corner A

Kangaroo

Macropus rufus · Boxing champ with built-in trampolines.

Kangaroo
Home
Australian outback · Lives in Australia
Food
Plants
Group
Lives in a herd
Size
Kangaroo is medium.

Grazer.

Ears swivel like radar dishes.

Looks chill.

  • Kangaroo is medium and very fast.
  • Grasses and shrubs.
  • Open outback, where hopping beats walking by a kilometer.

Family: Wallabies, tree-kangaroos, and other marsupial hoppers.

Corner B

Parasaurolophus

Parasaurolophus walkeri · A duckbill with a trombone on its head.

Parasaurolophus
Home
Late Cretaceous forests of western North America · Lived in North America long ago
Food
Plants
Group
Lives in a herd
Size
Parasaurolophus is huge.

Does not hunt.

The crest was a horn.

Nervy salad.

  • Parasaurolophus is huge and fast.
  • Plants ground by a dental battery — a whole chalkboard of replacement teeth.
  • Late Cretaceous North America.

Family: Other hadrosaurs: Edmontosaurus, Corythosaurus, and the duckbill crowd.

TO SCALE!

SIZE & WEIGHT

Stand them next to a grown-up. Who is bigger and heavier?

1.70 m

Grown-up

1.80 m

Kangaroo to scale

Kangaroo

3.2 m

Parasaurolophus to scale

Parasaurolophus

Height to scale. A grown-up is 1.7 m.

Kangaroo90 kg

Can stand face-to-face with a grown-up — then bounce over them.

Parasaurolophus2,500 kg

About as heavy as a rhinoceros, with a head-crest as long as a baseball bat.

Kangaroo

1.80 m · 90 kg

Kangaroo is medium. 90 kg.

Parasaurolophus

3.2 m · 2,500 kg

Parasaurolophus is huge. 2,500 kg.

Kilograms are honest. A small animal can still have a strong tool.

Who would you pick for size?

TOOLKIT!

TOOLS

Teeth, claws, horns, venom, kick — what tools do they have?

  • Weapon: Spring-loaded kick
  • Armor: Tail tripod
  • Senses: Ears swivel like radar dishes.

Kangaroo · labeled field diagram

  • Weapon: Herd, kick, and a honk
  • Armor: Duckbill battery
  • Senses: The crest was a horn.

Parasaurolophus · labeled field diagram

Kangaroo200 psi bite
Parasaurolophus200 psi bite

Kangaroo

Spring-loaded kick

Tool: spring-loaded kick. Bite: 200 psi.

Parasaurolophus

Herd, kick, and a honk

Tool: herd, kick, and a honk. Bite: 200 psi.

A bite number is only one tool. Coils and kicks count too.

Whose tools would you trust?

ZOOM!

SPEED

Who gets there first?

Kangaroo
70 km/h
Parasaurolophus
40 km/h
Kangaroo70 km/h
Parasaurolophus40 km/h

Kangaroo

70 km/h

Kangaroo can go 70 km/h. That is very fast.

Parasaurolophus

40 km/h

Parasaurolophus can go 40 km/h. That is fast.

A fast animal can miss. A slow one only has to connect.

Who takes the speed card?

HOME MAP!

HOME

They meet in grassland. Who is built for this place?

N. AmericaS. AmericaEuropeAfricaAsiaAustraliaAntarctica
KangarooParasaurolophusBoth

Meeting biome: grassland. Colored land is fossil range for dinosaurs and living range for zoo animals.

Kangaroo

This is home · Lives in Australia

Kangaroo lives in places like grassland.

Parasaurolophus

Can handle it · Lived in North America long ago

Parasaurolophus's home is the late cretaceous forests of western north america, not grassland.

No. Kangaroo and Parasaurolophus did not live at the same time. This meeting is pretend.

Who gets the home point?

MENU!

FOOD

How do they get lunch?

Kangaroo
Plants · Grazer.
Parasaurolophus
Plants · Does not hunt.

Kangaroo

Plants · Grazer.

Grasses and shrubs.

Parasaurolophus

Plants · Does not hunt.

Plants ground by a dental battery — a whole chalkboard of replacement teeth.

A plant eater is not 'safe.' Hippos and elephants still end arguments.

Whose hunting or defending helps more?

MOOD!

MOOD

Alone vs team. This rumble is one vs one.

Kangaroo
Lives in a herd
Parasaurolophus
Lives in a herd
Kangaroo7 grit /10
Parasaurolophus5 grit /10

Kangaroo

Lives in a herd

Looks chill. Grit: 7/10.

Parasaurolophus

Lives in a herd

Nervy salad. Grit: 5/10.

Pack and pride animals lose their backup in a 1-v-1.

Who is better for a solo meeting?

PING!

BRAINS

Who notices first and thinks next?

Kangaroo
6/10
Parasaurolophus
4/10
Kangaroo6 brains /10
Parasaurolophus4 brains /10

Kangaroo

6/10

Ears swivel like radar dishes.

Parasaurolophus

4/10

The crest was a horn.

In the wild, brains often mean leave before it starts.

Who would you score for noticing?

COUSINS!

FAMILY

Who are they related to?

Kangaroo
Macropus rufus
Parasaurolophus
Parasaurolophus walkeri

Kangaroo

Macropus rufus

Wallabies, tree-kangaroos, and other marsupial hoppers.

Parasaurolophus

Parasaurolophus walkeri

Other hadrosaurs: Edmontosaurus, Corythosaurus, and the duckbill crowd.

Cousins are clues, not a score.

Not a fight point. Who has the wilder family story?

WILD CARD!

SPECIAL

What special move did they evolve?

Kangaroo
Hop-Box Combo
Parasaurolophus
Crest Trombone Blast

Kangaroo

Hop-Box Combo

They lean back on the tail and kick with both feet.

Parasaurolophus

Crest Trombone Blast

Air through the hollow crest probably made a low honk.

A secret move here is a real wild tool, not a video-game combo.

Whose special move would change the meeting?

YOUR SCORECARD

Your scorecard

Tap who has each fact. Then tap who you think wins.

  • SIZE & WEIGHT

  • TOOLS

  • SPEED

  • HOME

  • FOOD

  • MOOD

  • BRAINS

  • SPECIAL

Your card: Kangaroo 0 · Parasaurolophus 0 · still open 8

Who wins the meeting?

Keep going for the pretend meeting, then the science pick.

WHAM!

THEY MEET

Kangaroo runs first. Parasaurolophus does not race. They wait in grassland.

Pretend · fact-based · not a gore-fest

WHOOSH!

THE TOOLS SHOW UP

Parasaurolophus is heavier. Kangaroo uses spring-loaded kick. Nobody is keeping a gore score.

Pretend · fact-based · not a gore-fest

ZING!

SPECIAL MOVES

Kangaroo tries the Hop-Box Combo. Parasaurolophus tries the Crest Trombone Blast. Keep your card. The last page is next.

Pretend · fact-based · not a gore-fest

THE SCIENCE PICK

Parasaurolophus!

A STOMP · UNDERDOG

You skipped a final pick. The facts still stamp a champ.

On grassland, Parasaurolophus wins. Parasaurolophus is a lot heavier. Kangaroo would still win some meetings at home.

In the wild, most animals skip a fight. We still judge who the bodies and the place would favor.

Science card: Kangaroo 6 · Parasaurolophus 1 · ties 1.

Your card: Kangaroo 0 · Parasaurolophus 0.

The last page follows the whole animal — body plus home — not one bar chart.

Send this fight

A friend can read the same facts.

Also starring · Kangaroo

Grampians kangaroos. Bounce first, argue later.

Isderion · Wikimedia Commons · CC BY-SA. Source

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