Sex determination in mammals and most other animals is via the XY chromosome system. Simply put, the X and Y chromosomes determine the sex of the offspring. A female has two X chromosomes, one from the father and one from … Continue reading
The golden paper wasp (Polistes aurifer) is found in Western United States from Texas to Montana west to the Pacific Coast. It also inhabits Southern British Columbia and parts of Mexico. Golden paper wasps are variable in color. Some are … Continue reading
In Kaufman and Hart’s 1939 comedy “The Man Who Came to Dinner”, Sheridan Whiteside came to dinner at the Stanley household in Ohio and through circumstances did not leave. The mule deer (Odocoileus hemionus) ranging through our yard in search … Continue reading
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Large flowered brickelbush (Brickellia grandiflora) was named for John Brickell (1749 – 1809), a Georgia physician and botanist originally from Ireland. Growing from 1 to 3 feet in height, this wildflower or shrub can be found growing in canyons, washes … Continue reading
The fox squirrel (Sciurus niger) is native to the eastern half of the United States. This tree squirrel was introduced into cities, large private estates and campuses in the West where they have thrived, often to the detriment of the … Continue reading