B757 FLT CREW HAS MULTIPLE BIRD STRIKES DURING TKOF AND REJECTS TKOF AT DFW.

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NORMAL PUSHBACK; START AND TAXI. TAXIED TO RWY 18L FOR TKOF (DFW). FLOCKS OF SMALL BIRDS WERE VISIBLE WHILE ON TXWY Z AND RPTED IN AREA. ON NORMAL TKOF ROLL WE ENCOUNTERED A FLOCK OF SMALL BLACK BIRDS THAT HAD EITHER DOVE DOWN FROM ABOVE THE RWY OR FLOWN UP FROM THE W SIDE OF THE RWY. THEY WERE NOT VISIBLE WHEN WE BEGAN OUR TKOF. DUE TO THE TIME OF DAY (DUSK) WE DID NOT SEE THEM UNTIL THEY WERE NEARLY RIGHT IN FRONT OF US. THEY WERE FLYING AT APPROX 5-10 FT AGL FROM R TO L. WE WERE AT APPROX 115 KTS; OUR V1 WAS 130 KTS (OUR WT WAS 184000 LBS). WHEN IT WAS APPARENT THAT WE WERE NOT GOING TO MISS THEM I MENTALLY PREPARED TO ABORT. THE R ENG SURGED AND IT FELT AS IF A TIRE HAD BLOWN. I KNEW THEY HAD PROBABLY GONE INTO THE L SIDE AS WELL SO I ABORTED GIVEN OUR RELATIVELY LOW AIRSPD; A LONG RWY; AND THE POSSIBILITY OF A DOUBLE FLAMEOUT AND OR ENG DAMAGE. THE ENG INDICATIONS WERE NORMAL DURING REVERSE THRUST AND IDLE AND NO EICAS MESSAGES APPEARED. THE ABORT WAS NORMAL; AND NORMAL BRAKING WAS APPLIED AS WE SLOWED DOWN BELOW 80 KTS AND EXITED THE HIGH SPD AT THE S END OF TERMINAL D. WE VERIFIED WITH THE FLT ATTENDANTS THAT EVERYTHING WAS OK IN THE CABIN; WHEN WE INFORMED THAT THE R ENG HAD SHOT A FLAME AS THE BIRDS HAD GONE THROUGH IT. WE VERIFIED WITH THE FLT ATTENDANT AND THE TWR THAT THERE WAS NO FIRE NEAR THE R ENG AND SHUT IT DOWN AS A PRECAUTION WITH NORMAL ENG INDICATIONS. DUE TO THE 115 KT ABORT SPD; SHORT TAXI TIME; LIGHT ACFT WT; AND MODERATE BRAKING FOR ONLY A SHORT PERIOD WE DECIDED TO TAXI IN UNDER OUR OWN PWR.