Yes, the term "California condor" is capitalized because it refers to a specific species of bird, which is the largest land bird in North America.
Sequoia should not be capitalized. California should instead.
Worry about your grammar first. But no, I reckon not.
It is northern Wisconsin.
It is northern Wisconsin.
no
It is capitalized because it is a propernou n.
Yes--While the word hemisphere alone is not capitalized, a specific hemisphere (western, eastern, northern or southern) is.
Yes, constellations should be capitalized.
Yes, it is.
Have should be capitalized if it is the beginning of a sentence. Summer should not be capitalized.
Yes, "Osprey" should be capitalized because it is the proper name of a specific bird species.