Nature Crossword Puzzles: Free Printable and Online

Discover the wonders of the natural world, including flora, fauna, geography, and environmental science. Explore ecosystems, weather, and conservation efforts.

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10 puzzles, click Print on any puzzle below

Creatures of the Night

Easy · 11×11 · 15 words
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  1. 1. North American prairie canine famous for yapping and howling at night
  2. 3. Common rodent with a long hairless tail that roams at night
  3. 7. Small spiny mammal that rolls into a prickly ball for defense
  4. 10. Flying mammal that sleeps upside down during the day
  5. 11. Shelled garden gastropod that glides out on a trail of slime after dark
  6. 12. Small nocturnal lizard capable of walking up vertical glass walls
  7. 13. Bushy-tailed canine that often hunts small animals after dark

Down

  1. 2. Tiny Southeast Asian primate with huge immobile eyes and long leaping legs
  2. 3. Ring-tailed mammal known as a masked bandit for raiding trash cans
  3. 4. Warty, land-dwelling amphibian that emerges at night to eat insects
  4. 5. Winged insect that is frequently attracted to outdoor lights at night
  5. 6. African mammal with a long snout that digs up ant and termite nests
  6. 8. Smooth-skinned amphibian known for loud croaking sounds at night
  7. 9. Wild native dog of Australia that primarily hunts at night
  8. 11. Slimy, shell-less mollusk that feeds in gardens after sundown

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World Animal Day

Medium · 11×11 · 15 words
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  1. 2. Antlered grazer common in woodlands
  2. 3. Pack hunter successfully reintroduced to certain national parks
  3. 5. Menagerie setting that focuses on conservation efforts
  4. 7. Primate endemic to Madagascar
  5. 8. Natural home that conservationists work to restore
  6. 10. Bamboo-eating bear that serves as a famous conservation icon
  7. 13. Pig-like jungle herbivore with a prehensile snout
  8. 14. Shaggy bovine that once roamed American plains in massive herds

Down

  1. 1. Wooded expanse serving as home to countless creatures
  2. 2. Highly intelligent marine mammal known for its clicks and whistles
  3. 4. Amphibian often used as an indicator of ecosystem health
  4. 6. Keep vulnerable populations safe from harm
  5. 9. Ursine creature often symbolic of wilderness preservation
  6. 11. Our closest relatives in the animal kingdom, facing severe habitat loss
  7. 12. Pride leader of the savanna

Birds

Easy · 5×5 · 5 words
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  1. 3. A tall wading bird with a long neck and legs
  2. 5. A nocturnal bird known for its hooting sound

Down

  1. 1. A female chicken kept for laying eggs
  2. 2. A large black bird known for its intelligence
  3. 4. A large flightless bird native to Australia

National Park Gems

Medium · 11×11 · 14 words
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  1. 1. A blazed path for park visitors
  2. 5. Maine destination featuring Cadillac Mountain
  3. 6. A mountain's summit
  4. 7. Old Faithful is a famous example of this erupting hot spring
  5. 11. The world's first national park, spanning three states
  6. 12. The animal life of a particular region
  7. 13. The Snake or the Colorado, e.g.
  8. 14. Rare pine subspecies that suffered heavy mortality in the 2026 Santa Rosa Island Fire

Down

  1. 2. A newly discovered 2.5 km pre-Columbian pathway found at Machu Picchu National Park in 2026
  2. 3. Crater ___ is the deepest of its kind in the US
  3. 4. Over 280 of these head coverings were retrieved from Yellowstone's hydrothermal vents in summer 2026
  4. 8. California park known for El Capitan and Half Dome
  5. 9. A park employee wearing a distinctive flat hat
  6. 10. Alaskan park home to North America's tallest peak

Ocean Life

Easy · 11×11 · 14 words
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  1. 1. Arctic marine mammal recognized by its long ivory tusks and whiskers
  2. 7. Crustacean with two large claws that walks sideways on the sand
  3. 8. Long, snake-like fish found in reefs and deep waters
  4. 10. Flower-like sea creature that provides a safe home for clownfish
  5. 11. Reptile with flippers and a hard shell that lays eggs on sandy beaches
  6. 13. Tropical sea snail living inside a large, spiraled pink shell
  7. 14. Bivalve mollusk hidden tightly inside two hinged shells

Down

  1. 2. Bottom-dwelling crustacean with eight walking legs and heavy pinchers
  2. 3. Massive mammal that surfaces regularly to breathe through a blowhole
  3. 4. Clever eight-armed sea creature that can easily squeeze through tiny gaps
  4. 5. Tall, fast-growing brown seaweed that forms underwater forests
  5. 6. Microscopic organisms drifting in ocean currents that nourish marine food webs
  6. 9. Playful creature that floats on its back while cracking open shells
  7. 12. Fast-swimming saltwater fish commonly canned for sandwiches

sun haven

Easy · 7×7 · 6 words
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  1. 1. The land near the sea
  2. 5. Land surrounded by water
  3. 6. A cloth used for drying off

Down

  1. 2. A vast body of salt water
  2. 3. An area protected from direct sunlight
  3. 4. A place for vacationers to stay

The Bear

Easy · 5×5 · 5 words
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  1. 1. Sharp nail on a bear foot
  2. 4. Color of a grizzly bear
  3. 5. A place where a bear sleeps

Down

  1. 2. Size of an adult bear
  2. 3. Frozen precipitation in a winter den

WATER TRANSPORT IN PLANTS

Medium · 11×11 · 12 words
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  1. 1. Upright conduit between the underground system and leaves
  2. 2. Protective jacket enclosing a tree trunk's outer layers
  3. 8. Phase shift from liquid to vapor driving the transpirational engine
  4. 9. Microscopic root outgrowth maximizing intake area
  5. 10. Fluid carried through a tree's vascular highway
  6. 11. Rigid internal pressure that keeps non-woody plants upright

Down

  1. 1. Continuous inner pathway of living cytoplasm linked by plasmodesmata
  2. 3. Attraction between sap and hydrophilic conduit walls
  3. 4. Outer cellular boundary mediating liquid exchange with surroundings
  4. 5. Single mouth-like opening that breathes and sweats
  5. 6. Rigid polymer that reinforces conduits against collapse
  6. 7. Non-living pathway where fluids travel through cell walls and intercellular spaces

animals

Easy · 5×5 · 5 words
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  1. 1. An amphibian that starts its life in water
  2. 3. An African animal known for its black and white stripes
  3. 5. A common small feline pet

Down

  1. 2. A farm animal known for climbing rocky terrain
  2. 4. A flying mammal that is active at night

Garden birds

Easy · 7×7 · 6 words
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  1. 2. A bird often associated with peace.
  2. 5. A bird with a forked tail that catches insects in flight.
  3. 6. A bird known for its beautiful, melodic song.

Down

  1. 1. A long-legged bird that hunts in shallow water.
  2. 3. A nocturnal bird of prey with large eyes.
  3. 4. A bird that spends almost its entire life in the air.
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Related Printable Crossword Topics

AnimalsBirdsDinosaursInsectsMountainsNational ParksOcean LifePlants & TreesRainforestsRivers & LakesVolcanoes & EarthquakesWeather & Climate

Nature Crossword FAQ

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Yes. Click Print on any puzzle for a print-ready page with the grid, the clues, and a name and date line, or use Download to save it as a PDF, PNG, or JPEG for photocopying. The PDF download includes a filled answer key on the last page for grading.

Can students play these crosswords online?

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Can I make my own Nature crossword?

Yes. The free Grid Genius crossword maker builds a puzzle from your own words and clues, with a printable grid and answer key. The Grid Genius app can also generate a complete crossword from any topic you type.

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