Natural Selections

Why did that one tree die? An expert is on the case.

Invasive propensities of the various species are enhanced and more successful in disturbed environments. Consequently, both native and introduced cattails are expanding their ranges.

My observation that fall temperatures and pollination seemed to last longer this year is anecdotal, but the anecdote seems to fit into a documented pattern of climate change altering the onsets and durations of the seasons.

Just as we have learned that the cost of freedom is constant vigilance, we must accept the notion that the lands set aside for forever must continually be guarded.

Biologists initially thought the distribution of Fremont’s buckwheat was determined by a requirement for gypsum in the surface soils.

Amanita species can be described as edible, inedible, poisonous, deadly poisonous, and psychoactive.

Monarch butterflies gained access to milkweeds after they evolved the metabolic trick of absorbing the cardiac glycosides by sequestering them in fat bodies.

Mountain cicadas, Okanagana bella, are also found locally, and it is the only cicada common in the mountains.

A mating wheel allows a precise comparison of the colors and patterns of males and females The little marsh swarmed with insects. Tiny moths popped up from the grass, darted a short distance and then disappeared back into the grass. Small wood nymph butterflies kept searching for the perfect spot...

Because billions of birds migrate in North America, this asynchrony of needs and availability of resources could become a widespread problem.