Yellowstone’s Birds ²⁶ 2010 Eliminates Fire Hazards from Nesting

Eliminates Fire Hazards from Nesting in Vents and Chimneys

Timer: Four on/off periods per day

1 FNU pH/ORP Sensor pH: ±0

Adjustable emissivity increases measurement accuracy for different surfaces

Yellowstone’s Birds ²⁶ 2010 Eliminates Fire Hazards from NestingAn exploration of the causes and patterns of avian vagrancy Avian vagrancythe appearance of birds outside of their expected habitatis a phenomenon that has fascinated natural historians for centuries, from Victorian collectors willing to spend fortunes on a rare specimen to todays bird chasing twitchers. Yet despite the obsessions of countless ornithologists, what do we actually know about the enigma of vagrancy? In Vagrancy in Birds, Alexander Lees