5th box -Flashcards

/fiːt/ (n.) a difficult act or achievement Modern-day researchers have attempted to understand this feat.

/ɪˈvɒlv $ ɪˈvɑːlv/ (v.) to develop gradually Scientists believe that birds evolved from dinosaurs.

/briːd/ (v.) to reproduce Migration is the regular movement of animals between their breeding grounds and the areas that they inhabit during the rest of the year.

/nɒkˈtɜːnl $ nɑːkˈtɜːr-/ (Adj.) active at night Nocturnal migrants, those species that travel at night, seem to take their navigational cues from the stars.