RARE SPECIES ON THE RANDALL PRESERVE
The following rare species are found on or next to the Randall Preserve
- California Gnatcatcher
- Loggerhead Shrike
- White-tailed Kite
- Southern Tar Plant
- California Horned Lark
- Least Bell’s Vireo
- San Diego Fairy Shrimp
Yellow Warbler - Yellow-breasted Chat
- Cooper’s Hawk
- Cactus Wren (last documented in 2009)
Belding’s Savannah Sparrow - Merlin
- Sharped-shinned Hawk
- Northern Harrier
- Peregrine Falcon
- Osprey
- Ashy Rufous-Crowned Sparrow
- California Least Tern (found next to the Randall Preserve)
- Light-footed Clapper Rail (found next to the Randall Preserve):

Burrowing owls have disappeared from much of their historic range. With year-round breeding populations gone, the Randall Preserve is one of the only places in Orange County where owls migrate for the winter.

The entire Randall Preserve is federally-declared critical habitat for the California Gnatcatcher.

Randall Preserve contains Orange County’s only federally declared critical habitat for the San Diego Fairy Shrimp.