The crew did a fine job.
As for birds, a large flock of starlings (very small birds?) went into all four Allison engines of an Eastern Airlines Lockhhed Electra turboprop many years ago above Boston harbor. They seem to have caused all four engines to quickly fail-there were no survivors (
) .
And those Allisons have air intakes which are very much smaller than on any turbofan (modern jet) engine; also used by the Convair 580, C-130 and Grumman (Navy) C-2 and E-2 'Hawkeye', and of course the P-3.