Hey Jeremy,
I don't have a clue about San Diego to be honest, but I did do a search that may help you some, hopefully, or maybe it'll give you a lead or an idea. As far as being 25 minutes away, I wouldn't know, but you have to start somewhere. I just did a search for "San Diego bird photography" and found this, if you can think of more, I'd just do a quick search. Also, use the below places to fine tune your searches, that might help you narrow it all down. I know you probably know this stuff, but you may be busy getting ready on other stuff. 
Since I don't know what side of San Diego you are going to be, I don't know how far "25 minutes" will be for you, but maybe some of these will be doable.
http://www.torreypine.org/activities/hiking-trails.html
https://www.flickr.com …iscuss/72157615589069798/
Here's a few places that are located on Flickr that could benefit you. Maybe you could join and ask them about the places that would be closest for you? I do realize that bird watchers and bird shooters are different, but they do know where the birds can be, I know I use them here around the Dallas area to know where the birds will be, I find them very helpful. I am not a birder, at all, we are two different kinds of people, but they can, and usually do know their stuff. heheh
Randy
Link to the below...
http://www.dpreview.com/forums/post/52568880
"Hi Chuck,
I reside in SD and born and raised here.
La Jolla area near the La Jolla cave for pelis and cormorants and a falcon or two. Just find the cave store and walk about 30 yards towards the water. The Cove area is nice too during low tides for many small shorebirds. Lots of seals here.
Santee Lakes which is inland from the coast about 20 miles has ducks, grebes, herons, egrets and white pelis plus many others. Lake 3 and 4 are your best bet and small enough to walk around with your gear.
Rob Field in the Ocean beach area next to the rock jetti is one of my favorite places. Visit at about 1.5 hours before low tide or 1.5 hours after low tide. Be very careful when walking down the rocks and pick a good safe spot to do so. There are some flat rocks near the water to sit on.
Fermosa Slough is a good location during late afteroon high tide, as the fish are forced into the slough where they are greeted by the welcoming committee of herons, egrets, ospreys and more. You will want to be on the west side with the sun at your back. Morning high tides are ok, but the angle of the sun on the subjects can leave shadows. You can compenstate with a better beamer and fill flash.
Lindo lake located inland in lakeside just 5-10 minutes from Santee lakes mentioned above. This use to be my favorite location with two lakes. The east lake is nothing but a dry mud hole now, as the city of lakeside is not filling the lake for whatever reasons. Still, the west lake can have an abundance of ducks, egrets,herons, avocets and more. Driving through lakeside is like stepping back in time about 50 years as it hasn't changed much just dont blink or you will miss it.
Fore scenic type shots La Jolla (coastal areas and glider port), Coronado for city scape shots. Anywhere on the coast for sunset. La Jolla shores or ocean beach for sunsets, as well as, the La Jolla cove area.
Shelter Island in Point Loma is a great place for a leisurely walk after dinner and a few scenic images. Just drive to the end of the road near the harbor police station and park and enjoy. There is a man made Osprey perch there and it might have some Ospreys during your visit.
Balboa park is a nice place to walk around and shoot and maybe get some lunch or bring a lunch and eat it there on a picnic table. You can enjoy museums, people watching, squirrels and landscape there.
The embaradero is also a good place to take a little walk and view the sites of the city.
I prefer the Safari park in Escondido over the zoo, but both are fun to visit. Get there when it opens and a weekday is much less crowded.
Thats all I can think of with one cup of coffee and one eye open. I would stay away from the border areas in the south.
Ray"