|During a beautiful spring day, a crab spider waits to ambush insects on a plum blossom in an orchard on a farm near Elkton, Ore., on Wednesday, March 30, 2016.|
|A larger spider waits for an ambush on her blossom.|
|A Calypso orchid grows on a damp forested hillside in southwestern Oregon on Saturday, March 26, 2016. The Calypso orchid, also known as the fairy slipper or Venus's slipper, has a circumpolar range from the northern United States and Canada to northern Europe, China, Russia, and Japan. In many areas they are considered rare and endangered.|
|A trillium grows on a heavily forested hillside near the Umpqua River in southwestern Oregon on Saturday, March 26, 2016. In many areas trilliums are considered a rare and even endangered plant species.|
|A small wild lily.|
|On the first day of spring, raindrops dapple wildflowers and a dead mouse in an orchard near Roseburg in rural southwestern Oregon on Sunday, March 20, 2016. The mouse possibly died when recent heavy rains flooded its burrow.|
|Plaintiffs, attorneys and supporters gather on the steps of the federal courthouse in Eugene on Wednesday, March 9, 2016 after U.S. magistrate Thomas Coffin heard oral arguments in their case against the federal government. The case involves 21 youth plaintiffs demanding the U.S. government take science based action against climate change.|
|KELSEY JULIANA speaks on the steps of the federal courthouse in Eugene after the hearing.|
|Climate scientist JAMES HANSEN speaks on the steps of the federal courthouse in Eugene. Hansen is taking an active role in helping make a science based argument in the case.|
|Plaintiff and climate change activist XIUHTEZCALT MARTINEZ stands with attorneys and other plaintiffs during the press conference after the hearing.|
|Lead attorney JULIA OLSON of Our Children's Trust speaks, as youth plaintiffs look on during a press conference on the steps of the federal courthouse in Eugene after U.S. magistrate Thomas Coffin heard oral arguments in their case against the federal government.|
James Hansen with plaintiffs outside the courthouse.
|A huge crowd of supporters gathered outside the courthouse after the hearing.|
|The youth plaintiffs after the hearing.|
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