It's a fun challenge to find things in nature that resemble the alphabet! Here are some ideas, keeping in mind that some are more literal than others:

A -

* Antler (especially a split antler)

* Alphabet tree (a tree with branches forming an A shape)

* Arrowhead (shaped leaves)

B -

* Butterfly wing patterns

* Branching patterns in trees

* Bird beak shapes

C -

* Crater (a natural indentation)

* Clam shell

* Cloud shapes (some resemble letter shapes)

D -

* Dandelion seed head

* Droplet of dew

* Driftwood shape

E -

* Earthworm (elongated shape)

* Egg shape

* Earthen mound (a natural bump)

F -

* Fern frond (some types have a distinctive 'F' shape)

* Flower petal (some have an 'F' shape)

* Fossil (especially a trilobite)

G -

* Gravel (the letter 'G' formed by rock patterns)

* Geyser (can be seen as a 'G' shape)

* Gull (a bird with a 'G' shape when in flight)

H -

* Honeycomb (hexagonal pattern)

* Horsetail plant (stems have a 'H' shape)

* Heavy snowfall (can form an 'H' shape on the ground)

I -

* Icicle

* Insect leg (some have a straight, narrow 'I' shape)

* Indian paintbrush (a flower with a tall, narrow shape)

J -

* Jay (bird with a 'J' shape when in flight)

* Jungle vine (can twist and turn to form a 'J' shape)

* Jawbone of an animal (can resemble a 'J' shape)

K -

* Knife-shaped leaves (some plants have sharp, pointed leaves)

* Knock-knee tree (branches growing at an angle)

* Kestrel (bird with a 'K' shape in flight)

L -

* Leaves on a branch (can form an 'L' shape)

* Lightning (can appear as a jagged 'L' shape)

* Lichen (some types grow in a long, thin line)

M -

* Mountain range (can form an 'M' shape)

* Mushrooms (some grow in clusters that resemble an 'M')

* Mud crack (can form an 'M' pattern)

N -

* Nest (can be shaped like an 'N')

* Nut shell (some shells have a slightly 'N' shape)

* Nutria (rodent with an 'N' shape when swimming)

O -

* Outcropping (a rounded rock formation)

* Owl (a bird with a round head)

* Ocean wave (can form a circular shape)

P -

* Pineapple (a natural 'P' shape)

* Palm tree (can have a 'P' shape when viewed from the side)

* Petrified wood (can have a 'P' shape)

Q -

* Quick sand (forms a 'Q' shape when sinking)

* Quill (a feather with a 'Q' shape)

* Quarry (a rectangular depression in the ground)

R -

* Rock formation (some rocks have an 'R' shape)

* River bend (can form an 'R' shape)

* Root system of a tree (can resemble an 'R' shape)

S -

* Sea shell (some shells have an 'S' shape)

* Snake (can form an 'S' shape when slithering)

* Sunflower (a large, circular flower)

T -

* Tree trunk (can form a 'T' shape)

* Tornado (can resemble a 'T' shape)

* Thundercloud (can look like a 'T' shape)

U -

* Upside down horseshoe crab (shell can be shaped like a 'U')

* Underwater cave entrance (can form a 'U' shape)

* Undercut rock (a rock with a 'U' shaped indentation)

V -

* Valley (can form a 'V' shape)

* Vine (can grow in a 'V' shape)

* Volcano (can have a 'V' shaped opening)

W -

* Waterfall (can look like a 'W' shape)

* Worm track (can form a 'W' shape)

* Woodpecker (a bird that makes 'W' shaped holes in trees)

X -

* X-shaped branch (two branches crossing each other)

* Xylophone (an instrument made from wood)

* X-shaped mark on a rock (caused by a natural process)

Y -

* Yellow flowers (some flowers have a 'Y' shape)

* Yucca plant (can have a 'Y' shape)

* Y-shaped rock formation (caused by erosion)

Z -

* Zigzag lightning (can appear as a 'Z' shape)

* Zebrafish (a fish with stripes that resemble a 'Z')

* Zooplankton (some types have a 'Z' shape)

Remember: This is just a starting point! Use your imagination and look closely at the natural world. You might be surprised by the shapes and patterns you discover!