By "sea animals" I'm guessing you mean oxygen breathers so I didn't include fish-named lights like Stingray Point Light, VA. That said, these are from a list of East Coast and Great Lakes lighthouses that have names of flying animals or sea animals in their name:

Alligator Reef (Gator) Lighthouse, FL
Hens & Chickens Shoal Light, FL
Wolf Island Lighthouse, GA
Horse Island (Sackets Harbor) Lighthouse, Lake Ontario, NY
Salmon River (Selkirk, Port Ontario) Lighthouse, Lake Ontario, NY
Buffalo Harbor South Entrance Light, St. Lawrence Seaway Trail, Lake Erie, NY
Buffalo Intake Crib Light/Horseshoe Reef Light, St. Lawrence Seaway Trail, Lake Erie, NY
Buffalo Main Light (“Chinaman’s Light”), St. Lawrence Seaway Trail, Lake Erie, NY
Buffalo North Breakwater “Bottle” Light, St. Lawrence Seaway Trail, Lake Erie, NY
Buffalo (Outer Breakwater) Harbor Light, St. Lawrence Seaway Trail, Lake Erie, NY
South Bass Island Lighthouse, Lake Erie, OH
Turtle Island Lighthouse Ruins, Lake Erie, OH
Beaver Head Lighthouse, Beaver Island, MI
Beaver Island Harbor (St. James) Light, MI
Eagle Bluff Light, Green Bay, WI
Sturgeon Bay Canal Light, entrance to Sturgeon Bay Ship Canal, WI
Sturgeon Bay Canal North Pierhead (Ship Canal Pierhead) Light, WI
Eagle Harbor Lighthouse, Eagle Harbor, MI
Eagle Harbor Front & Rear Range Lights (current), Eagle Harbor, MI
Eagle Harbor Rear Range Light (original), Eagle Harbor, MI
Eagle River Lighthouse, Eagle River, MI
Gull Island Light, WI
Gull Rock Lighthouse, Keweenaw Peninsula, MI
Whitefish Point Lighthouse, Whitefish Point, MI
Oyster Bay/Bayou Light, LA
Machias Seal Island Lighthouse, ME
Moose Peak (Mistake Island) Lighthouse, ME
Bass Harbor Head Lighthouse, ME
Bear Island Lighthouse, ME
Crabtree Ledge Lighthouse, Frenchman’s Bay, ME
Great Duck Island Lighthouse, ME
Goose Rocks, ME
Heron Neck Lighthouse, ME
Deer Island Thorofare (Mark Island) Light, ME
Eagle Island Lighthouse, ME
Ram Island Lighthouse, ME
Squirrel Point Lighthouse, ME
Ram Island Ledge Lighthouse, ME
Goat Island Lighthouse, ME
Whaleback (Whale Back Ledge; Tea Kettle) Lighthouse, ME
Turkey Point Lighthouse, MD
Sharkfin Shoal Lighthouse, MD
Bass River Lighthouse, MA
Bird Island Lighthouse, MA
Cape Cod Canal Breakwater Light, MA
Remains of Deer Island Lighthouse, MA
Dog Bar Breakwater (Gloucester Breakwater) Light, MA
Cat Island Lighthouse, MS
Loon Island, NH
Little Gull Island Lighthouse, L.I., NY
Gull Shoal Lighthouse, NC
Schuylkill River (Turtle Rock) Lighthouse, Philadelphia, PA
Beavertail Lighthouse, RI
Hog Island Shoal Lighthouse, RI
Musselbed Shoals Lighthouse, RI
Whale Rock Lighthouse, RI
Bull Island (Bulls Bay) Lighthouse, SC
Pelican Spit Beacon, TX
Stingray Point Light, VA
Wolf Trap, VA
Cattle Point Light, WA
Skunk Bay Light, WA


Sandy