Images

A photomicrograph depicting the calcium carbonate tests of ten species of marine foraminiferans. Upon death, their tests can form calcareous marine sediments known as foraminiferan ooze.

Still relatively common in Louisiana, although amphibian declines are a global problem

Fall in Canyon de Chelly.

Adult lionfish, approximately 250 mm total length.

A group of juvenile lionfish, approximately 120 mm total length.

Limestone rocks are the primary bed of this flashy river.  Note the baldcypress tree in the background uprooted in a past flood.  View looking downstream. 

The saddleback caterpillar is about an inch long, has a purplish-brown body with a green saddle shape on it's 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 spins are hollow and connected to poison glands.

The saddleback caterpillar is about an inch long, has a purplish-brown body with a green saddle shape on it's 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 it's 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.

The saddleback caterpillar is about an inch long, has a purplish-brown body with a green saddle shape on it's 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 it's 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.

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.

Islands with angular landforms.

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

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.

View of Snake River with mountains in background and clouds overhead.

Vegetation along bank of Snake River with view of treeline and hovering clouds.

Sloping landform with a cavity that opens out to the shore. Vegetation thickly covers a sloping face. Other landforms can be seen behind, also covered in vegetation.

Islands with angular landforms.

This photograph highlights the grandeur of the mountains and plains. The group of trees in the left foreground is part of a larger forest.