In any event, mostly it is not necessary - more about that in a moment. Bees nests, depending on the type of bees, vary greatly. Bumblebees like to make their nests in tussocks of grass or in abandoned rodent holes.
The following are some bulldozer manufacturers and some of the dozers they manufacture: Founded in 1925, caterpillar is one of the oldest manufacturers of heavy machinery. Dozers manufactured by caterpillar go by the brand name CatÂ®. The CatÂ® brand is the cornerstone of the Caterpillar brand portfolio. Although Caterpillar was founded in 1925, âcatÂ®â was never used as a trademark until 1949.
Lots of good info here Pat, and I don't disagree with any of it, as far as it goes. I have a 310 JD backhoe and a Cat D5 dozer and I won't get rid of either. The backhoe is more versatile, but when you need the power or need to  pull up  a road, nothing beats a 6 way blade on a dozer.