are the highest in November. This is the month when monarchs arrive
at the overwintering sites in Mexico.
fall in November, December, January, February and March. These
are the months that the monarchs spend in Mexico.
out of fat is a common cause of death in Mexico, says Dr. Bill Calvert.
"Monarchs that you see littering the ground have usually starved
the monarchs arrive in Mexico in November they must have enough
fat in reserve to survive the winter. Their winter habitat does
not have enough food (flowers with nectar) to feed the millions
of monarchs that overwinter there.
the monarch's winter habitat does meet the monarchs needs in a unique
way. Its cool temperatures allow the monarchs to save energy.
Monarch butterflies are cold blooded. When temperatures are cool
they burn energy (metabolize) slowly.
place and conditions where all of an organism’s needs
for life are met.
water, shelter and space are key components of an organism’s