5th box -Flashcards

/daɪˈɜːnəl $ -ˈɜːr-/ (Adj.) active during the day Diurnal migrants have also been shown to use geographic features.

/ˈfjuːəl/ (v.) to provide energy About 55 percent of bird body weight is made up of the fat necessary to fuel this amazing journey.

/ˌnævəˈɡeɪʃən/ (n.) finding the way from one place to another Birds use the sun, stars, and landforms for navigation.

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