A Mysterious Salmon-Killing Affliction is a Mystery No More - bioGraphic In California, scientists tracked the source of a severe vitamin deficiency that’s killing endangered fish.

This endangered salmon population regularly endures rising water temperatures, dams, and waterways that have been overdrawn by farmers. These challenges are what have kept these winter-run fish in the Sacramento River delta on the endangered species list since 1994.

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A sedge of sand hill cranes is flying over a field where a large group of sand hill cranes is gathered. The scene has a monochromatic filter, creating a dramatic effect with muted colors.

A large sedge of Sandhill Cranes at the Woodbridge Ecological Reserve in California’s Sacramento River Delta, which leads to the San Francisco Bay.
#Photography #Infrared #InfraredPhotography #SandhillCranes #Cranes #PacificFlyway #SacramentoRiverDelta #WoodbridgeEcologicalReserve