Published work

Bitterroot whitetails, © 2013 Keri Petrilli

Children’s books

What I Saw in Rocky Mountain: A Kid’s Guide to the National Park (Riverbend Publishing, 2019, also available from Bookshop.org, Indiebound, Amazon,, and Books-A-Million; short-listed for the 2020 Reading the West Book Awards in the Young Readers category) 

What I Saw in Grand Canyon: A Kid’s Guide to the South Rim (Riverbend Publishing, 2018; also available on Amazon)

What I Saw in Grand Teton: A Kid’s Guide to the National Park (Riverbend Publishing, 2017; also available on Amazon; reviewed in Jackson Hole News & Guide and Billings Gazette; 2018 High Plains Book Awards finalist)

Articles

“Fed to Death.” Wyoming Wildlife, Special Mule Deer Issue, September 2023. (An earlier version of this article was previously published in Montana Outdoors.)

When the Sun Goes Down: Shining a light on the secretive nighttime habits of Montana wildlife.” Montana Outdoors, July-August 2023.

Together Again: Young grizzly siblings’ high-profile journey to the Bitterroot Valley leads to an unexpected ending.” Montana Outdoors, May-June 2023.

The Trouble with Turbines: Wind power generates electricity while reducing carbon emissions, but the spinning rotor blades pose a threat to raptors and bats. Research and collaboration are helping reduce losses.” Montana Outdoors, March-April 2023.

Death by Feeding: The unintended—and sometimes fatal—consequences of providing food to deer, elk, moose, and other wildlife in winter,” Montana Outdoors, November-December 2022

Montana Outdoors Portrait: Northern pocket gopher,” Montana Outdoors, May-June 2022 (p. 43)

Montana Outdoors Portrait: Yellow-bellied Marmot,” Montana Outdoors, September-October 2021 (p. 45)

A Healthy Dose of Nature,” Montana Outdoors, July-August 2021

It’s Not Easy Being Green,” Montana Outdoors, May-June 2021

Montana Outdoors Portrait: Pygmy Nuthatch,” Montana Outdoors, May-June 2021

Living Limestone: Revisiting the ever-changing geological wonders of Lewis & Clark Caverns, Montana’s First State Park,” Montana Outdoors, May-June 2020

Montana Outdoors Portrait: Red Crossbill,” Montana Outdoors, March-April 2018

The eagles have landed,” Montana Outdoors, November-December 2017

Montana Outdoors Portrait: Northern Goshawk, Montana Outdoors, July-August 2016

Montana Outdoors Portrait: American Crow, Montana Outdoors, March-April 2015

Bedtime in the Backcountry, Montana Outdoors, July-August 2014

Fly fishing

Two Knots,” Big Sky Journal, 2020 Fly Fishing Issue

No Name Creek, Big Sky Journal, 2019 Summer Issue

“Fresh, Never Frozen,” Gray’s Sporting Journal, Fly Fishing Issue, March-April 2016

Catching Bob, Big Sky Journal, 2014 Summer Issue

Fallback Creek, Big Sky Journal, 2014 Fly Fishing Issue

Bitterroot Reward,Big Sky Journal, 2013 Fly Fishing Issue

A Stick and a String, Big Sky Journal, 2012 Summer Issue

Put Your Skirt On, Big Sky Journal, 2011 Fly Fishing Issue

Other essays

Awake at night and listening to coyotes,” High Country News, September 4, 2017 (in print edition, titled “Overheard in Montana“)

The Indoor Wilds at Outdoor Parks,” Christian Science Monitor, August 10, 2016

Free haircuts—but at a cost,” Christian Science Monitor, April 27, 2016

Take a page from the mountain goats,” High Country News, April 4, 2016 (in print edition, titled “Risk, goats, and kids in the mountains“)

Poetry Appreciation for Dogs, Christian Science Monitor, December 8, 2014

Basketball Mom,” Christian Science Monitor, June 2, 2014

Picture This, Christian Science Monitor, May 6, 2013

The Bear Necessities, Christian Science Monitor, May 28, 2012