beaches, even in apartment complexes, thin and desperate for food. marine mammal rescuer peter responded to one call after another. i think it was down in the rocks last night. reporter: this pup found seven miles from the ocean, another on the rocks. a record-setting number of starving pups are packing marine care centers like this one. so full they can only handle three rescues a day, turning the rest away. it is like a paramedic without a hospital to take a patient. reporter: so far this year, more than 900 have been rescued statewide. experts say disease maybe to blame, or warmer than average ocean temperatures could be impacting the animals food supply. they expect the numbers to rise faster than they can keep up. releasing healthy sea lions like these back to the ocean. brandi hitt, abc news, los angeles. experts at noaa say it is because of rising ocean temperatures but not global