In general, mockingbird is not capitalized; for example, "I saw a mockingbird outside my window this morning."
However, in the title of a book or movie, it is capitalized; for example, "Harper Lee wrote the novel To Kill a Mockingbird."
Also, note that mockingbird is one word, not two words.
Earth, as in we live on the planet Earth, is supposed to be capitalized. Earth, as in the dirt we walk on, is not supposed to be capitalized.
No it shouldn't be capitalized.
Yes, Siamese would be capitalized.
No.
It should only be capitalized if it forms part of a title.
Earth, as in we live on the planet Earth, is supposed to be capitalized. Earth, as in the dirt we walk on, is not supposed to be capitalized.
Usually, yes a phase of the moon is supposed to be capitalized.
No, it shouldn't be capitalized.
No it shouldn't be capitalized.
Yes, America should be capitalized.
no
Yes, "Pterodactyl" is supposed to be capitalized as it is a proper noun referring to a specific genus of pterosaur.
No, but the names of individual languages are capitalized.
Yes, Siamese would be capitalized.
Yes.
no
No.