Vocalizations by adult Turkey Vultures as they arrive at their nest sites during nesting season

Temperature Regulation in Turkey Vultures

Temperature regulation by six Turkey Vultures (Cathartes aura) was studied at ambient temperatures (T,) from 11 to 40°C in a metabolic chamber. Within this range body temperature varied little, averaging 39.7”C, and the ratio of CO, production to 0, consumption averaged 0.76. The thermal-neutral zone (TNZ) extended from 26 to 40°C. Below 26°C evaporative water loss and the heat-transfer coeffic...

Bees: Their Nests and Nesting Sites

The 1993 Excavation Season at Goltepe, Turkey

In 1993 the Early Bronze Age workshop and habitation site of Goltepe and its associated tin mine, Kestel, became the newest members of the Oriental Institute excavation roster. Excavations at Goltepe during the 1993 season were directed by K. Ashhan Yener and were designed to illuminate the origins, formation, and organization of tin production in the central Taurus Mountains of Turkey. Discove...

Nesting songbirds assess spatial heterogeneity of predatory chipmunks by eavesdropping on their vocalizations.

1. Information benefits organisms living in a heterogeneous world by reducing uncertainty associated with decision making. For breeding passerines, information reliably associated with nest failure, such as predator activity, can be used to adjust breeding decisions leading to higher reproductive success. 2. Predator vocalizations may provide a source of current information for songbirds to ass...

Nest Predation and Nest Sites

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