Do know who am I ?

Am I a shy monkey?, No I am a primate, I have round, large eyes, People call me forest baby, I resemble like teddy bear. I emit various sounds usually, Like whistle,krik and growl, I live in social groups, Am I a bad omen?, Tears used in love potion. I am very venomous normally, I am meagre in number, I have become endangered species, Do know who am I?, I am Asian slender loris.