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The cane toad is estimated to have a critical thermal maximum of 40–42 °C (104–108 °F) and a minimum of around 10–15 °C (50–59 °F). [43] The ranges can change due to adaptation to the local environment. [44] Cane toads from some populations can adjust their thermal tolerance within a few hours of encountering low temperatures. [45]
Douglas-fir is one of the world's best timber-producing species and yields more timber than any other species in North America, making the forestlands of western Oregon, Washington, and British Columbia the most productive on the continent. In 2011, Douglas-fir represented 34.2% of US lumber exports, to a total of 1.053 billion board-feet.
The Cane toad (Bufo marinus), also known as the Giant neotropical toad or Marine toad, is a large, terrestrial true toad native to Central and South America. It is a member of the genus Bufo , which includes hundreds of different true toad species in different habitats throughout the world.
Coast Douglas-fir seed cone, from a tree grown from seed collected by David Douglas Pseudotsuga menziesii var. menziesii has attained heights of 393 feet (120* m). That was the estimated height of the tallest conifer ever well-documented, the Mineral Tree ( Mineral, Washington ), measured in 1924 by Dr. Richard E. McArdle, [ 7 ] former chief of ...
Woodhouse's toad: Found in central, west and north Texas [24] LC [25] Incilius nebulifer: Coastal plains toad: Found along coastal plains, formerly considered the same species as Incilius valliceps [26] LC [27] Rhinella marina: Cane toad: Native to extreme southern Texas, invasive species in other parts of the United States [28] LC [29]
The spread of the cane toads in Australia from 1940 to 1980 in five-year intervals. The long-term effects of toads on the Australian environment are difficult to determine, but some effects include "the depletion of native species that die eating cane toads; the poisoning of pets and humans; depletion of native fauna preyed on by cane toads; and reduced prey populations for native insectivores ...
The Woodhouse's toad (Anaxyrus woodhousii) is a medium-sized (4 inches or 10 centimetres) true toad, which is native to the United States and Mexico. There are two recognized subspecies . The epithet woodhousii is in honor of the American physician and naturalist Samuel Washington Woodhouse . [ 17 ]
Range map of ponderosa pine. Ponderosa pine forest is the largest western forest type in the United States. [2] Ponderosa pine is the principal species on over 110,000 km 2 (27,000,000 acres) and is present on an additional 55,000 km 2 (14,000,000 acres).