The sorority name is Sigma Lambda Theta or SLTH.
The sloth here is a Three-toed sloth, or also known as a three-fingered sloth. The Scientific name for the sloth seen here is Variegatus or its common name being Brown-throated three-toed sloth that can be found in Central America and much of north and central South America, from Honduras through Colombia, Venezuela, Ecuador, eastern Peru, Bolivia and Brazil.
The abbreviation FOMO is seen on a girls phone; FOMO stands for fear of missing out.