Caleb Krueger
@cheloevo.bsky.social
PhD student at Michigan State’s Kellogg Biological Station researching spotted turtle phylogeography and the evolution of temperature-dependent sex determination
A wee thing helped across the road today. I think this is the smallest wild box turtle I’ve ever seen - just hatched last fall!
August 10, 2025 at 8:37 PM
A wee thing helped across the road today. I think this is the smallest wild box turtle I’ve ever seen - just hatched last fall!
Haven’t practiced photography in a while, but Mooney was a cooperative enough model while I quickly reminded myself how a flash works
August 3, 2025 at 12:33 AM
Haven’t practiced photography in a while, but Mooney was a cooperative enough model while I quickly reminded myself how a flash works
Hey #JMIH2025, interested in temperature-dependent sex determination? Come to my talk at 1:30 today, right at the beginning of session 18!
July 11, 2025 at 1:17 PM
Hey #JMIH2025, interested in temperature-dependent sex determination? Come to my talk at 1:30 today, right at the beginning of session 18!
Nothing hits quite like finding a new population of these guys
May 30, 2025 at 1:04 AM
Nothing hits quite like finding a new population of these guys
The duality of turtles
May 15, 2025 at 12:04 AM
The duality of turtles
We’ve reached new records of small in the field recently
April 28, 2025 at 2:29 PM
We’ve reached new records of small in the field recently
One of the biggest and one of the smallest Blanding’s I’ve caught so far! The big one has about 2 decades on the small one
April 24, 2025 at 9:54 PM
One of the biggest and one of the smallest Blanding’s I’ve caught so far! The big one has about 2 decades on the small one
Bumper day for Blanding’s
April 20, 2025 at 10:55 PM
Bumper day for Blanding’s
Today was for 20+ year old Blanding’s
April 19, 2025 at 8:40 PM
Today was for 20+ year old Blanding’s
I know it’s field season when my camera roll starts to look like this:
April 13, 2025 at 10:37 PM
I know it’s field season when my camera roll starts to look like this:
It snowed this morning, but 35 degree water won’t stop spotted turtles from making more spotted turtles!
April 10, 2025 at 10:55 PM
It snowed this morning, but 35 degree water won’t stop spotted turtles from making more spotted turtles!