Sierra Bornheim

Massive, Near-Complete Mammoth Skeleton Discovered In Natural Trap Cave The latest discovery in Natural Trap Cave in the Bighorn Mountains, considered one of the world's premier Ice Age fossil sites, is the nearly complete…

For #MammothMonday: new article out about paleontological excavations led by @sabercatwoman.bsky.social at the famed Natural Trap Cave fossil site in northern Wyoming. Recent discoveries include remains of mammoth! 🧪 cowboystatedaily.com/2025/09/06/m...

literally just start requesting them on netgalley! (they only do digital though) post the review anywhere. the more you request and build up a bunch of reviews, the more you'll get. I do goodreads because people actually look there even though I dislike the platform

Yesterday evening we went on a quick trip to see Devil’s Canyon which is actually in Montana. Canyon photos from Sierra Bornheim. #ntcave25

Yes, probably a male given the red eyes and flared carapace

@banditelli.org Shoebox is an eastern box turtle/valued employee for Georgia 4-H! He also peed on me in front of 20 fifth graders today

If it was still in the tree you should be good! The enemies normally don't invade unless it's on the ground

I think putting bird strike dots on all our buildings and vehicles is the most important thing the environmental ed center I work at has done. Every single group asks about them, and it's the one thing that our returning adult chaperones always remember and talk about putting in their schools.

Photos from various Sternberg Museum Science Camps+ programs, plus program logo.

Pre-registration has been open a week, with 29 high schoolers signing up for a total of 51 sessions! Here’s the week 1 leaderboard:

-Intro Fossil Prep: 8
-Adv. Fossil Prep: 6
-KS Research Academy: 5
-KS Field Paleo: 5
-ND Field Paleo: 5
-UT Field Paleo: 4
-TN Paleo Academy: 4
-TN Field Paleo: 3

you would still have neighbors but they would be chipmunks, which are very judgeable

Score Update:
BUF 48 - 42 DET
Final

That's Scorigami!! It's the 1090th unique final score in NFL history.

literally turned my day around. I <3 scoragami

All I know is "strategy is good, tactics are evil" according to the late great Ken Legler

Screenshot of the spirit of gentle parenting leaving someone’s body.

Me doing field paleo with that student who needs 10 reminders a day about drinking enough water and then tells me they forgot both their water bottles in their tent.

My dude, you gotta work with me here! 😩

This is the first fossil I ever saw in the field!

Me trying to explain monophyletic groups to middle schoolers on their beach field trip

This animation is so cool! My ornithology field trip group tomorrow is going to hear so much about bird knees it's not even funny.

Sierra holding a baby alligator

I am currently interested in human(+ancestor)-environment interactions over the past ten million years. I'm applying to PhD programs this year so I'm super excited to see where that takes me!

Using International LGBTQ+ in STEM Day to introduce myself: Hi, I'm Sierra! I'm an environmental educator at Burton 4-H center on Tybee Island, systems optimization coordinator at @sternbergcamps.bsky.social and a recent graduate from Brown 🐻.

Here is a list of past Sternberg Camps+ staff and program collaborators! (More staff being added soon as they migrate over to BlueSky.)
go.bsky.app/Q9AC8YV

"we're fish too" is always a hit with the fourth graders