Nests are usually built in deciduous trees, such as aspen, alder, cottonwood , or willow, but they may also be in firs or other conifers.
Those of us who have spent our lives along broad yet shallow prairie rivers never cease to marvel at the prodigious output of cottonwood seeds scattered by the winds every spring.
We were having afternoon tea in the garden when the cottonwood seeds cascaded about resembling a summertime snow.
Select light and airy woods like white cedar, white pine, cottonwood , poplar, spruce or larch (tamarack).
Notably, poplars and other cottonwood trees need moist soil and prefer riparian zones near streams and lakes.
The result: flooding took place, and cottonwood seeds that landed on the wet soil after the water receded produced about 10,000 seedlings.
We'd go for long walks on the trails, long walks amid the discarded cottonwood and aspen leaves, and laugh at the rustling sounds they made.
Both members of the pair excavate a hole in a decayed tree, typically a cottonwood or Ponderosa pine.
Today's excess of elk and buffalo have destroyed woody species such as willow, aspen, cottonwood , alder and serviceberry along the streams and rivers.
Trees such as cottonwoods or hybrid poplars could be used to clean up hazardous waste sites.