Crossword Puzzle Common service animal

Clue: Common service animal

Common U.S. animal (WHITEELEPHANT with 13 letters)
Animal associated with the Postal Service? (SNAIL with 5 letters)
Service animal (DOG with 3 letters)
Common service dog (LAB with 3 letters)
Animal that has something in common with this week's puzzle (SPIDER with 6 letters)
Flippered animal that runs a maid service? (HOUSEKEEPINGSEAL with 16 letters)
Common airport service (SHOESHINE with 9 letters)
One of the higher animals (METAZOAN with 8 letters)
Lab service: Abbr. (ENL with 3 letters)
Animal house (e.g. BARN with 4 letters)