| RAR# | COMMON NAME | NO | PLUM | OBS DATE | LOCATION | REPORTER |
| Northern Fulmar | 11 | 4/7/01 | LaJolla Cove, Pacific Ocean | Walens, S. | ||
| Black-vented Shearwater | 500 | 4/7/01 | LaJolla Cove, Pacific Ocean | Walens, S. | ||
| A | Red-footed Booby? | 1 | Ad, white morph | 4/20/01 | Point Loma | Worley, J. |
| A | Brown Booby | 1 | Ad | 4/8/01 | Point Loma, off of Sunset Cliffs, near University | Webster, Richard |
| American White Pelican | 1 | 4/30/01 | Tijuana R. Vly, river mouth | Billings, Mark | ||
| B | Reddish Egret | 1 | 4/8/01 | San Diego R. Floodway, E-Mission Bay Dr. bridge | Mulrooney, B. | |
| B | Reddish Egret | 1 | 4/18/01 | Famosa Slough | Peugh, Barbara | |
| Cattle Egret | 1 | 4/25/01 | Cuyamaca Reservoir, N-marshy area | Wheeler, Rick | ||
| B | Yellow-crowned Night Heron | 1 | 4/17/01 | Scripps Institute Campus, S-end campus, in pines w/nesting BCNH, in mini park E-staff parking lot off Discovery, end of Grande | Coker, Jeff | |
| B | Wood Stork | 1 | 4/1/01 | San Diego Wild Animal Park, Heart of Africa exhibit | Mulrooney, B. | |
| Ruddy Duck | 1 | M | 4/15/01 | Camp Pendleton, sewage ponds, Stewart Mesa Rd & Vandergriff | Moore, Barbara | |
| D | Ross's Goose | 1 | 4/2/01 | S-San Diego Bay, Otay R mouth | Patton, R. | |
| Canada Goose | 8 | 4/14/01 | Cuyamaca Reservoir | Billings, Mark | ||
| Wood Duck | 5 | 3M | 4/14/01 | Cuyamaca Reservoir, W-side, near dam | Billings, Mark | |
| D | Eurasian Wigeon | 1 | M | 4/8/01 | San Diego R. Floodway, E-Mission Bay Dr. bridge | Mulrooney, B. |
| D | Eurasian Wigeon | 2 | 4/22/01 | San Diego R Flood Channel, W-of bridge | Pryde, Phil | |
| Common Merganser | 1 | F | 4/14/01 | Cuyamaca Reservoir, W-side, near dam | Billings, Mark | |
| D | Swainson's Hawk | 2 | 4/1/01 | Anza Borrego DSP, S-22@ Henderson Cyn Rd. | Theriault, R. | |
| D | Swainson's Hawk | 1 | 4/1/01 | Anza Borrego DSP, Scissors Crossing | Theriault, R. | |
| D | Swainson's Hawk | 9 | 4/25/01 | Anza Borrego DSP, Coyote Mtns area | Jorgensen, P. | |
| Golden Eagle | 1 | juv? | 4/30/01 | Tijuana R. Vly, Monument Rd. | Billings, Mark | |
| Prairie Falcon | 1 | 4/30/01 | Tijuana R. Vly, Monument Rd. | Billings, Mark | ||
| B | Pacific Golden Plover | 1 | 4/3/01 | Tijuana R, N-mouth, SE-barrier dune at 1504 | Patton, R. | |
| Parasitic Jaeger | 1 | 4/7/01 | LaJolla Cove, Pacific Ocean | Walens, S. | ||
| Parasitic Jaeger | 1 | 4/8/01 | Point Loma, off of Sunset Cliffs, near University | Webster, Richard | ||
| Bonaparte's Gull | 300 | 4/2/01 | Cuyamaca Reservoir | Jorgensen, P. | ||
| Bonaparte's Gull | 8 | 4/14/01 | shoreline | Billings, Mark | ||
| Black-legged Kittiwake | 68 | 4/7/01 | LaJolla Cove, Pacific Ocean | Walens, S. | ||
| Black-legged Kittiwake | 1 | Ad | 4/8/01 | Point Loma, off of Sunset Cliffs, near University | Webster, Richard | |
| Black-legged Kittiwake | 1 | Ad-W | 4/22/01 | La Jolla Cove, pelican roost area | Wilson, Michael | |
| Gull-billed Tern | 4 | 4/3/01 | Tijuana R estuary, channel area | Patton, R. | ||
| Gull-billed Tern | 4 | 4/30/01 | San Diego Bay, S-Silver Strand | Billings, Mark | ||
| Caspian Tern | 1 | 4/25/01 | Cuyamaca Reservoir, N-marshy area | Wheeler, Rick | ||
| Common Tern | 1 | 4/30/01 | San Diego Bay, S-Silver Strand | Billings, Mark | ||
| Cassin's Auklet | 2 | 4/7/01 | LaJolla Cove, Pacific Ocean | Walens, S. | ||
| E | *Wild Turkey | 4 | 4/14/01 | Cuyamaca Reservoir, NE-side | Billings, Mark | |
| E | *Wild Turkey | 3 | 1M2F | 4/25/01 | Cuyamaca Rcho SP, 1-mi N SR79-Sunshine Hwy | Wheeler, Rick |
| E | *Wild Turkey | 2 | M | 4/25/01 | Cuyamaca Rcho SP, 1-mi S of Stonewall Mine Rd | Wheeler, Rick |
| E | *Wild Turkey | 1 | F | 4/25/01 | Cuyamaca Rcho SP, just N-Green Valley Picnic entrance | Wheeler, Rick |
| Common Ground Dove | 1 | 4/25/01 | Anza Borrego DSP, visitors headquarters | Wheeler, Rick | ||
| C | Black Swift | 1 | 4/29/01 | Ft Rosecrans NC | Rogers, G. | |
| Vaux's Swift | 1 | 4/23/01 | Ft. Rosecrans NC | Worley, J. | ||
| D | Calliope Hummingbird | 1 | M | 4/16/01 | Pt. Loma Nazarene Univ., garden shed | Worley, J. |
| D | Calliope Hummingbird | 1 | M | 4/27/01 | Cabrillo NM, Myoporum grove dripping faucet | Worley, J. |
| D | Calliope Hummingbird | 2 | M+F | 4/30/01 | Cabrillo NM, near Signal Corps bldg | Worley, J. |
| D | Calliope Hummingbird | 3 | 4/30/01 | Tijuana R Vly, Smuggler Gulch | Mulrooney, B. | |
| Rufous Hummingbird | 1 | M | 4/30/01 | Cabrillo NM, Myoporum grove dripping faucet | Billings, Mark | |
| D | Lewis's Woodpecker | 1 | 4/8/01 | Cuyamaca Reservoir, Trout Pond | Aklufi, Daniel | |
| D | Lewis's Woodpecker | 1 | 4/14/01 | Cuyamaca Peak, 400 ft below | Billings, Mark | |
| White-headed Woodpecker | 1 | F | 4/14/01 | Cuyamaca Peak, 400 ft below | Billings, Mark | |
| Northern (Yellow-shafted) Flicker | 1 | 4/4/01 | Ft. Rosecrans NC, NE-loop fence line | Worley, J. | ||
| Olive-sided Flycatcher | 1 | 4/23/01 | Border Field State Park, W-end Monument Rd. | Mulrooney, B. | ||
| Western Wood Pewee | 1 | 4/23/01 | Border Field State Park, W-end Monument Rd. | Mulrooney, B. | ||
| Hammond's Flycatcher | 1 | 4/15/01 | Cabrillo NM, Point Loma | Worley, J. | ||
| Hammond's Flycatcher | 1 | 4/17/01 | Pt. Loma Nazarene Univ., Alumni House | Worley, J. | ||
| Hammond's Flycatcher | 2 | 4/24/01 | Cabrillo NM, Myoporum grove dripping faucet | Worley, J. | ||
| Gray Flycatcher | 1 | 4/14/01 | Cabrillo NM, Myoporum grove dripping faucet | O'Leary, Brian | ||
| Gray Flycatcher | 3 | 4/15/01 | Cabrillo NM, Point Loma | Worley, J. | ||
| Gray Flycatcher | 1 | 4/16/01 | Cabrillo NM, Myoporum grove dripping faucet | Worley, J. | ||
| Gray Flycatcher | 1 | 4/24/01 | Cabrillo NM, Myoporum grove dripping faucet | Worley, J. | ||
| Gray Flycatcher | 1 | 4/25/01 | Cabrillo NM, Myoporum grove dripping faucet | Mulrooney, B. | ||
| Gray Flycatcher | 1 | 4/27/01 | Cabrillo NM, Myoporum grove dripping faucet | Worley, J. | ||
| ?Dusky Flycatcher | 1 | 4/16/01 | Ft. Rosecrans NC, SE-loop | Worley, J. | ||
| ?Dusky Flycatcher | 1 | 4/18/01 | Pt. Loma Nazarene Univ., Alumni House | Worley, J. | ||
| ?Dusky Flycatcher | 1 | 4/24/01 | Cabrillo NM, Myoporum grove dripping faucet | Worley, J. | ||
| ?Dusky Flycatcher? | 1 | 4/27/01 | Cabrillo NM, Myoporum grove dripping faucet | Worley, J. | ||
| ?Dusky Flycatcher | 1 | 4/29/01 | Cabrillo NM, Myoporum grove dripping faucet | Furseth, Dave | ||
| Pacific Slope Flycatcher | 3 | 4/24/01 | Cabrillo NM, Myoporum grove dripping faucet | Worley, J. | ||
| D | Vermilion Flycatcher | 3 | 4/8/01 | Anza Borrego DSP, Butterfield Ranch campground (S-2 highway) | Aklufi, Daniel | |
| D | Vermilion Flycatcher | 1 | M | 4/10/01 | Cottonwood/Rancho San Diego Golf Course, El Cajon | Fulcher, Terry |
| D | Vermilion Flycatcher | 2 | M+F | 4/13/01 | Anza Borrego DSP, Horse Camp area, off Henderson Cyn Rd | Brich, Susan |
| C | Tropical Kingbird | 1 | 4/26/01 | Tijuana R Vly, Border Field SP, entrance, in tamarisk trees | Mulrooney, B. | |
| C | Tropical Kingbird | 1 | 4/27/01 | Tijuana R Vly, Border Field SP, entrance, in tamarisk trees | Evans, M. U. | |
| C | Tropical Kingbird | 1 | 4/28/01 | Tijuana R Vly, Border Field SP, entrance, in tamarisk trees | Evans, M. U. | |
| Hutton's Vireo | 1 | #? | 4/21/01 | Rainbow Heights Rd, S-Conservation Camp | Weaver, Ken | |
| Cassin's Vireo | 1 | ± | 4/7/01 | Anza Borrego DSP, Yaqui Well | Langhoff, Dan | |
| Cassin's Vireo | 1 | #? | 4/21/01 | Rainbow Heights Rd, S-Conservation Camp | Weaver, Ken | |
| Cassin's Vireo | 5 | 4/25/01 | Cabrillo NM, Myoporum grove dripping faucet | Mulrooney, B. | ||
| Plumbeous Vireo | 1 | #? | 4/21/01 | Rainbow Heights Rd, S-Conservation Camp | Weaver, Ken | |
| Plumbeous Vireo | 1 | 4/24/01 | Cabrillo NM, Myoporum grove dripping faucet | Worley, J. | ||
| Warbling Vireo | 1 | #? | 4/21/01 | Rainbow Heights Rd, S-Conservation Camp | Weaver, Ken | |
| Warbling Vireo | 3 | 4/24/01 | Cabrillo NM, Myoporum grove dripping faucet | Worley, J. | ||
| E | *Black-throated Magpie-jay | 6 | 4/1/01 | Tijuana R Vly, W-Smuggler's Gulch | Hix, Tim | |
| E | *Black-throated Magpie Jay | 2 | 4/27/01 | Tijuana R Vly, Smuggler Gulch area | Mathos, M. | |
| B | Clark's Nutcracker | 2 | 4/15/01 | Cuyamaca Rcho SP, Azalea Glen Trail, near spring | Wheeler, Rick | |
| Swainson's Thrush | 1 | 4/25/01 | Cabrillo NM, Myoporum grove dripping faucet | Mulrooney, B. | ||
| D | Sage Thrasher | 1 | ± | 4/7/01 | Anza Borrego DSP, Yaqui Well | Langhoff, Dan |
| Pygmy Nuthatch | 3 | 4/14/01 | Behind fire station to Cuyamaca Pk | Billings, Mark | ||
| C | Purple Martin | 4 | 4/9/01 | Ft. Rosecrans NC, far NW corner, on pole | Coker, Jeff | |
| C | Cassin's Finch | 1 | M | 4/28/01 | Borrego Valley (Atlas G24) | Jorgensen, P. |
| C | Red Crossbill | 4 | 4/27/01 | Palomar Mtn., 6 mi up East Grade Rd | Mulrooney, B. | |
| B | Evening Grosbeak | 1 | F | 4/26/01 | Cuyamaca Rcho SP, Paso Picacho Cmpgrnd, site 22 | Theriault, R. |
| Golden-crowned Sparrow | 1 | 4/15/01 | Cabrillo NM, Point Loma | Worley, J. | ||
| Golden-crowned Sparrow | 1 | Ad | 4/15/01 | Silverwood Audubon Sanctuary | Lamken, Nola E. | |
| Golden-crowned Sparrow | 4 | 4/24/01 | Cabrillo NM, Myoporum grove dripping faucet | Worley, J. | ||
| Golden-crowned Sparrow | 1 | 4/27/01 | Cabrillo NM, Myoporum grove dripping faucet | Meredith, Gary | ||
| Dark-eyed Junco (Slate-colored) | 1 | 4/14/01 | Lake ? Resort, next to Cuyamaca Reservoir | Billings, Mark | ||
| Brewer's Sparrow | 1 | 4/23/01 | Border Field State Park, W-end Monument Rd. | Mulrooney, B. | ||
| Brewer's Sparrow | 1 | 4/23/01 | Cabrillo NM, Myoporum grove dripping faucet | Worley, J. | ||
| Brewer's Sparrow | 1 | 4/25/01 | Cabrillo NM, Myoporum grove dripping faucet | Mulrooney, B. | ||
| Brewer's Sparrow | 1 | 4/27/01 | Cabrillo NM, Myoporum grove dripping faucet | Meredith, Gary | ||
| Brewer's Sparrow | 6 | 2M | 4/29/01 | Montezuma Vly Rd., S-S22, 0.5 mi W-Chimney Rock Rd. (Atlas H22) | Jorgensen, P. | |
| Sage Sparrow | 4 | 2 pr | 4/29/01 | Montezuma Vly Rd., S-S22, 0.5 mi W-Chimney Rock Rd. (Atlas H22) | Jorgensen, P. | |
| Green-tailed Towhee | 1 | 4/25/01 | Cabrillo NM, Myoporum grove dripping faucet | Mulrooney, B. | ||
| Green-tailed Towhee | 1 | 4/27/01 | Cabrillo NM, Myoporum grove dripping faucet | Meredith, Gary | ||
| Green-tailed Towhee | 1 | 4/28/01 | Cabrillo NM, Myoporum grove dripping faucet | Billings, Mark | ||
| Green-tailed Towhee | 1 | 4/30/01 | Cabrillo NM, Myoporum grove dripping faucet | Lazere, Andy | ||
| Nashville Warbler | 1 | 4/7/01 | Anza Borrego DSP, Yaqui Well | Langhoff, Dan | ||
| Nashville Warbler | 3 | 4/14/01 | Old Mission Dam | Hollenbeck, Gus | ||
| Nashville Warbler | 1 | 4/15/01 | Cabrillo NM, Point Loma | Worley, J. | ||
| Nashville Warbler | 10 | 4/24/01 | Cabrillo NM, Myoporum grove dripping faucet | Worley, J. | ||
| C | Northern Parula | 1 | M | 4/28/01 | Ft Rosecrans NC, E-side, Sec. D | Evans, M. U. |
| C | Northern Parula | 1 | M | 4/29/01 | Ft Rosecrans NC, E-side, Sec. D | Furseth, Dave |
| Yellow Warbler | 3 | 4/17/01 | Mission Trail RP, Old Mission Dam | Worley, J. | ||
| Yellow-rumped Warbler (Myrtle ssp) | 1 | M | 4/17/01 | Pt. Loma Nazarene Univ., Alumni House | Worley, J. | |
| Black-throated Gray Warbler | 1 | 4/7/01 | Anza Borrego DSP, Yaqui Well | Langhoff, Dan | ||
| Black-throated Gray Warbler | 3 | 4/14/01 | Old Mission Dam | Hollenbeck, Gus | ||
| Hermit Warbler | 1 | 4/14/01 | Old Mission Dam | Hollenbeck, Gus | ||
| D | Black-and-white Warbler | 1 | 4/15/01 | Silverwood Audubon Sanctuary | Lamken, Nola E. | |
| McGillivray's Warbler | 1 | 4/7/01 | Anza Borrego DSP, Yaqui Well | Langhoff, Dan | ||
| B | Hooded Warbler | 1 | M/Ad | 4/26/01 | Tijuana R Vly, Border Field SP, entrance, in tamarisk trees (S-of entrance) | Mulrooney, B. |
| B | Hooded Warbler | 1 | F | 4/27/01 | Cabrillo NM, Myoporum grove dripping faucet | Meredith, Gary |
| Wilson's Warbler | 2 | 4/15/01 | Cabrillo NM, Point Loma | Worley, J. | ||
| Wilson's Warbler | 50 | 4/24/01 | Cabrillo NM, Myoporum grove dripping faucet | Worley, J. | ||
| Yellow-breasted Chat | 1 | 4/17/01 | Mission Trail RP, Old Mission Dam | Worley, J. | ||
| C | Summer Tanager | 1 | M/Imm | 4/26/01 | Tijuana R Vly, Border Field SP, entrance, in tamarisk trees | Mulrooney, B. |
| C | Summer Tanager | 1 | M/1st | 4/27/01 | Tijuana R Vly, Border Field SP, entrance, in tamarisk trees | Evans, M. U. |
| C | Summer Tanager | 1 | 4/28/01 | Anza Borrego DSP, Scissor's Crossing | Jorgensen, P. | |
| C | Summer Tanager | 1 | M/1st | 4/28/01 | Tijuana R Vly, Border Field SP, entrance, in tamarisk trees | Evans, M. U. |
| C | Rose-breasted Grosbeak | 1 | M/1st | 4/27/01 | Cabrillo NM, Myoporum grove dripping faucet | Meredith, Gary |
| C | Rose-breasted Grosbeak | 1 | juv? | 4/28/01 | Cabrillo NM, Myoporum grove dripping faucet | Billings, Mark |
| C | Rose-breasted Grosbeak | M/1st | 4/30/01 | Cabrillo NM, Myoporum grove dripping faucet | Billings, Mark | |
| E | *Northern Cardinal | 1 | M | 4/8/01 | Dairy Mart Rd, off Monument Rd, S-side | Parris, Patricia |
| E | *Northern Cardinal | 2 | M+F | 4/30/01 | Tijuana R Vly, Smuggler Gulch | Billings, Mark |
| Blue Grosbeak | 1 | M Ba | 4/14/01 | Old Mission Dam | Hollenbeck, Gus | |
| C | Lazuli Bunting | 2 | M | 4/1/01 | Anza Borrego DSP, Tamarisk Grove | Theriault, R. |
| C | Lazuli Bunting | 4 | M2Ba | 4/14/01 | Old Mission Dam | Hollenbeck, Gus |
| C | Lazuli Bunting | 1 | M | 4/17/01 | Mission Trail RP, Old Mission Dam | Worley, J. |
| C | Lazuli Bunting | 6 | 4M2F | 4/24/01 | Cabrillo NM, Myoporum grove dripping faucet | Worley, J. |
| C | Lazuli Bunting | 1 | M+F | 4/27/01 | Cabrillo NM, Myoporum grove dripping faucet | Meredith, Gary |
| C | Lazuli Bunting | 2 | M+F | 4/30/01 | Cabrillo NM, Myoporum grove dripping faucet | Billings, Mark |
| E | Black-backed Oriole | 1 | 4/28/01 | Tijuana R Vly, Smuggler Gulch | Eisner, Al | |
| E | Black-backed Oriole | 1 | M | 4/30/01 | Tijuana R Vly, Smuggler Gulch | Lazere, Andy |
| B | Orchard Oriole | 1 | M/1st | 4/27/01 | Cabrillo NM, Myoporum grove dripping faucet | Meredith, Gary |
| B | Orchard Oriole | 1 | F | 4/30/01 | Pt. Loma Nazarene Univ., Alumni House | Lazere, Andy |
| Scott's Oriole | 1 | M | 4/22/01 | Tijuana R Valley, Hollister @ Monument | Pryde, Phil | |
| D | Yellow-headed Blackbird | 1 | F | 4/28/01 | Borrego Valley | Jorgensen, P. |