Do the following two sentences have the same meaning?
Kempenaers said some species are still faithful , notably swans and sea birds such as the albatross , which mate for life and are never unfaithful to their partners .
Kempenaers said fidelity still exists in some species , notably swans and sea birds such as the albatross that mate for life and are never unfaithful to their partners .

Possible answers:
a). no.
b). yes.
The answer is:
b).