Yes, black squirrels, like other squirrels, are excellent climbers and spend a lot of time in trees. They have sharp claws and strong bodies that allow them to easily scurry up tree trunks and maneuver through branches.
Yes, hornets typically return to the same nest every year.
Yes, some species of wasps do return to the same nest every year, while others build new nests each year.
Yes, yellow jackets typically do not return to the same nest every year. They build new nests each spring and abandon them in the fall.
Red squirrels are an orangey colour while grey ones are grey ---- Grey and gray are exactly the same word - just spelt differently. Americans spell it with an "a" and other english-speaking countries spell it with an "e".
Bald eagles will return to the old nest, add new material, year after year, until the nest falls from its own weight. They then will construct a new one.
Yes squirrels do have nest, they have their nest up high in trees but not too high in trees that the wind witth destroy the nest but high enough so that the ground preditors won't attack them
Yes, paper wasps typically do not return to the same nest every year. They usually build new nests each year instead of reusing old ones.
Most birds do not use the same nest year after year. So I would say no.
A male squirrel makes the nest as the female collects food however it is rare that we see males and females together as it is mostly the female that is in the nest and the male is usually somewhere else as they can have many females to look after. Even though a squirrel is not a pack animal, they still have an alpha males however the males females do not necessarily nest in the same tree or the same area.
No
Squirrels have more in common with mice because they eat just about the same things a mouse does.