Western Grebe (Aechmorphorus occidentalis)

Lake Hodges
| J | F | M | A | M | J | J | A | S | O | N | D | |
| Corral Canyon | ● | |||||||||||
| Dixon Lake | ● | ● | ||||||||||
| Japatul Loop | ● | ● | ● | |||||||||
| Lake Hodges | █ | █ | █ | █ | █ | ● | █ | █ | ● | █ | █ | █ |
| Lake Jennings | ● | ● | ● | ● | ||||||||
| Mission Bay | █ | ● | ● | ● | █ | ● | ||||||
| Otay Lakes | █ | █ | █ | █ | ● | ● | █ | ● | ● | █ | █ | |
| Palomar Mountain | █ | █ | █ | █ | █ | █ | █ | █ | █ | █ | █ | █ |
| Point Loma | █ | █ | █ | █ | █ | ● | █ | █ | ● | |||
| Ramona Pond | ● | |||||||||||
| Salton City | █ | ● | █ | |||||||||
| San Elijo Lagoon | ● | ● | ● | ● | ● | |||||||
| Santee Lakes | ● | ● | ||||||||||
| Silver Strand | █ | █ | ● | █ | █ | █ | ||||||
| Sutherland Dam Road | █ | ● | ● | ● | ||||||||
| Sweetwater Area | █ | █ | █ | ● | █ | ● | ● | █ | █ | █ | █ | |
| Tijuana River Valley | █ | █ | █ | |||||||||
| Tijuana Slough NWR | █ | ● | █ | ● | █ | █ |