Young 
To dream of young people indicates that you can stop worrying; you will have a fresh approach and outlook on life soon. It may further symbolize some younger aspect of your own self. If you dream of being young once again, this represents failed attempts to correct past errors or opportunities you have lost.
Kid
To dream of a baby goat, or kid, warns of your dishonesty. You are in danger of harming someone you love.
A dream involving a kid in a meadow indicates that your life is unbalanced, with excess time being spent in pleasure and relaxation. If you do not act to achieve balance in your life, the consequences will start to become apparent in work and school pursuits.
Pig
To dream of a pig stands for filthiness, greediness, stubbornness, or selfishness. The pig may also stand for richness and overindulgence.
Cub
To dream of a cub characterizes innocence, lightheartedness and/or mischievousness. Dreaming of a cub may also represent your children or siblings.
Calf
To see a calf in a dream is an indication that you lack experience. You need to mature and develop your talents and skills.
Lamb
To dream of a lamb represents a flocking in of allies and companions. Your dream may also relate to the figure of speech, 'gentle as a lamb.' Lamb is a common symbol of all that is pure and innocent.
To dream that you are holding a lamb in your arms symbolizes an improvement in the quality of your life. An example may be a job promotion and financial freedom as a result of ethical means and industrious work.
Maid
To dream of a maid implies that you should be more assertive and express your individuality. You don't need to rely on others. You can handle your own needs.
To dream that you are a maid implies that you should revitalize and reassess the different aspects of your life. Perhaps you need to make some changes in your attitude and feelings.
Boys
To dream that you see or are a boy, when you are female, implies that you are in touch with the male traits of your personality. This dream may also symbolize how you feel about a prominent male in your life. Romantic feelings towards him may be transferring into your dreams. You may also be feeling nurturing and caring towards this boy.
To dream that you see or are a boy, when you are an adult male, indicates that you have a fun, energetic, and youthful side. It can also reflect undeveloped portions of your personality that you need to work on. There may also be attributes of your character that you don't yet realize or understand.
Colt
To dream of a colt indicates that you may be experiencing an awkward sensation or may be uncertain about yourself. You are beginning to unlock your forgotten potential.
Lego
A Lego in a dream represents a building block toward some goal. You may be working to build a career or to put together clues to solve a problem.
Nymph
To dream of nymphs foretells of a blissful experience relating to your sexual fantasies.