Skip to main content
U.S. flag

An official website of the United States government

Images

Images

Filter Total Items: 9448
Image: Saddleback Caterpillar (Acharia stimulea)
Saddleback Caterpillar (Acharia stimulea)
Saddleback Caterpillar (Acharia stimulea)
Saddleback Caterpillar (Acharia stimulea)

The saddleback caterpillar is about an inch long, has a purplish-brown body with a green saddle shape on its back, and has poisonous spines on four large projections (tubercles) and many smaller ones that stick out from the sides of its body. The poisonous spines are hollow and are connected to poison glands.

The saddleback caterpillar is about an inch long, has a purplish-brown body with a green saddle shape on its back, and has poisonous spines on four large projections (tubercles) and many smaller ones that stick out from the sides of its body. The poisonous spines are hollow and are connected to poison glands.

Image shows a man with scientific equipment standing in a green farm field
Bernard Hubbard Ground-Truthing Remote Sensing
Bernard Hubbard Ground-Truthing Remote Sensing
Bernard Hubbard Ground-Truthing Remote Sensing

USGS scientist Bernard Hubbard conducting spectral measurements of soils and cover crops to ground truth satellite imagery being used to map soil erosion and runoff potential into the Chesapeake Bay watershed.

USGS scientist Bernard Hubbard conducting spectral measurements of soils and cover crops to ground truth satellite imagery being used to map soil erosion and runoff potential into the Chesapeake Bay watershed.

Image: Leafcutter Bee at Indiana Dunes National Lakeshore
Leafcutter Bee at Indiana Dunes National Lakeshore
Leafcutter Bee at Indiana Dunes National Lakeshore
Leafcutter Bee at Indiana Dunes National Lakeshore

This native leafcutter bee, Trachusa zebratum, is a solitary bee species associated with sandy soils where the female builds her own nest to lay her eggs in.

This native leafcutter bee, Trachusa zebratum, is a solitary bee species associated with sandy soils where the female builds her own nest to lay her eggs in.

Image: Waterfall
Waterfall
Waterfall
Waterfall

Small waterfall at base of hill lined with trees and foliage alongside stream.

Small waterfall at base of hill lined with trees and foliage alongside stream.

Image: River Reflecting Conifers and Mountains
River Reflecting Conifers and Mountains
River Reflecting Conifers and Mountains
Image: Khao Sok National Park
Khao Sok National Park
Khao Sok National Park
Khao Sok National Park

Scenic view taken from a boat of mountains and coast in Khao Sok National Park.

Scenic view taken from a boat of mountains and coast in Khao Sok National Park.

Image: Cliffs Encircling Lentic Water
Cliffs Encircling Lentic Water
Cliffs Encircling Lentic Water
Cliffs Encircling Lentic Water

Sheer cliffs covered in vegetation encircling a lentic body of water.

Image: Snake River
Snake River
Snake River
Snake River

Snake River with view of hovering clouds, trees and mountains in background.

Snake River with view of hovering clouds, trees and mountains in background.

Image: Beach Beside Vegetated Landforms
Beach Beside Vegetated Landforms
Beach Beside Vegetated Landforms
Beach Beside Vegetated Landforms

Rocky landforms covered in vegetation next to a beach.

Image: Cavity Opening to the Shore
Cavity Opening to the Shore
Cavity Opening to the Shore
Cavity Opening to the Shore

Sloping landform with a cavity that opens out to the shore. Other landforms can be seen behind, covered in vegetation.

Sloping landform with a cavity that opens out to the shore. Other landforms can be seen behind, covered in vegetation.

Image: Cliffs Encircling Lentic Water
Cliffs Encircling Lentic Water
Cliffs Encircling Lentic Water
Cliffs Encircling Lentic Water

Sheer cliffs covered in vegetation encircling a lentic body of water.

Image: Snake River
Snake River
Snake River
Snake River

View of Snake River winding through trees with mountains in background.

View of Snake River winding through trees with mountains in background.

Image: Cavity Opening to the Shore
Cavity Opening to the Shore
Cavity Opening to the Shore
Cavity Opening to the Shore

Sloping landform with a cavity that opens out to the shore. Other landforms can be seen behind, covered in vegetation.

Sloping landform with a cavity that opens out to the shore. Other landforms can be seen behind, covered in vegetation.

Image: Mountains and Snake River
Mountains and Snake River
Mountains and Snake River
Mountains and Snake River

Trees cast in shadow lie in the foreground as mountains rise in the back. The Snake River flows at the bottom of step-like slopes.

Trees cast in shadow lie in the foreground as mountains rise in the back. The Snake River flows at the bottom of step-like slopes.

Was this page helpful?