Yes
Yes, mongoose is a common noun.
Mongooses.
The nouns in the sentence are mongoose and bush.There are no pronouns in the sentence.
Mongooses is a plural noun.
A male mongoose is called a mongoose
Mongoose
The standard collective nouns for mongooses are:A band of mongoosesA curiosity of mongoosesA pack of mongooses
Several do. They fight each other, and birds attack them, but I guess the answer you're looking for is the mongoose.
Riki Tiki Tavi was a mongoose.
...A mongoose that is a boy sex.
The mongoose is found in India.
The plural of mongoose is mongeese.