City Cast Denver logo

What is the Colorado Tarantula 'Mate-gration'?

Posted on September 17, 2024   |   Updated on September 30, 2025
Peyton Garcia

Peyton Garcia

A tarantula scuttles across some asphalt

Hundreds of tarantulas will venture out from their burrows this month in southeastern Colorado. (Rebecca L. Latson / Getty Images)

It’s Tarantula Time

Right now, Colorado — more specifically, the southeastern Colorado town of La Junta — is smack dab in the middle of tarantula mating season, and it’s quite the spectacle. Despite often being called Colorado’s great annual “tarantula migration,” these little critters aren’t actually going anywhere. Rather, thousands of sexually mature male tarantulas leave their burrows for an elaborate mating ritual that includes them “knocking” at female tarantulas’ burrows looking for love, and often ends in the males being eaten by the females. Tarantula mating season typically lasts from late August through early October, with a peak in mid-September.

Plan A Tarantula-Viewing Trip

Visit La Junta offers these tips for tarantula tourists.

Spiders Closer To Home

The Denver Butterfly Pavilion conducts its own in-depth tarantula breeding, conservation, and education efforts. Also returning this month is the limited-time “Spiders Around the World” exhibit. Step into the 80-foot “Spider Zone” enclosure to get up-close and personal with dozens of free-roaming spiders representing species from more than 20 different countries!

Share article

Hey Denver

Stay connected to City Cast Denver and get ready to join the local conversation.

Can't subscribe? Turn off your ad blocker and try again.

The latest in Denver

Sponsored

Best Online Casinos for Real Money You Can Trust Today

Find the best online casinos for real money with fast payouts, big bonuses, and top games. Compare sites and start playing now.

UpVenture Logo
Denver Life HacksSeptember 28

How to Navigate Denver's First PorchFest

Denver’s first PorchFest is bringing 193 acts to Baker on Oct. 3, turning porches, backyards, parking lots into stages from noon to 7 p.m...

Musicians perform for a crowd at a neighborhood PorchFest.
Keep It LocalSeptember 24

Where to Find All the Pumpkin Home Goods

It's pumpkin season! Here are the best places in Denver to grab your next pumpkin-flavored and pumpkin-designed fall goods.

White cake inside a box with orange writing that says “Hello Fall!” and red and yellow flowers with green leaves made from icing.
Keep It LocalSeptember 24

Where to Buy Actual Pumpkins

The only thing better than buying all the pumpkin-themed things? Buying actual pumpkins. Here's a quick and easy guide to shopping for yo...

A pile of pumpkins sits on hay bales in orange, beige, and green heirloom varieties with a blue sky in the background.
Keep It LocalSeptember 17

Where to Work Remotely in Denver

Grab a latte and a pastry at Little Owl Coffee in the hotel’s lobby, then head up the winding stairs to the cozy seating area with couche...

The airy upper-floor space at the Populus Hotel in Denver with a wooden floor, an exposed wood-beam ceiling, and ergonomically designed gray chairs and brown couches. A winding staircase is to the left. 🍃 Populu
Keep It LocalSeptember 17

Skip The Usual: Try These Local Remote Work Gems

The Bardo Coffee House has a location in Wheat Ridge with the same work-and-study energy, albeit with more seating options and a greater...

Brown leather couch with marble table in front of it at Bardo Coffee House in Denver. A bookshelf is to the left. The window facing the street is in the background.
Keep It LocalSeptember 10

The Best Denver Businesses for Music Lovers

Whether you want to learn an instrument, gift lessons to a loved one, or rent equipment for a gig, these Denver shops will nurture your m...

Inside a music shop with six guitars and memorabilia on the walls, red and black seating, with a coffee table at center on top of a rug. A window to the left filters light into the room.
Keep It LocalSeptember 10

Why Denverites Love Swallow Hill Music

Swallow Hill Music is one of the largest music schools for acoustic instruments in the U.S. — but it’s so much more than a place to take...

Outdoor performers under a white tent perform on stage while concertgoers sit on green grass listening. A brick building is behind the concertgoers to the left, and string lights run parallel to the crowd and stage.