The narrowing spaces between the leaves nearly always contain the dried carcasses of birds that entered the foliage, perhaps to escape a hawk, only to be impaled on deadly spikes.
Lapu starpās gandrīz vienmēr var redzēt beigtus putnus, kas, iespējams, meklējuši glābiņu no vanaga, bet uzdūrušies uz asajiem dzelkšņiem.