responses to stimuli

black mangrove

species that lives in salt-rich soil- as a result they excrete excess salt from their leaves to maintain homeostasis

Galapagoes giant tortoise

terriotrial or breeding encounters between males often envolve stretching their necks as high as possible

lava lizard territorial display

push-ups

aggressive territorial tendiences of galapagoes lad iguana:

lowering the head, head-nodding, arching the back, bloating the throat and trunk

marine iguana territorial displays:

head bobbing and head butting 

waved Albatross courtship

1. the pair faces each other and circle their bills around each other, occasionally smakcing their bills together

2. then bowing occurs- the male will stick its bill stright upwards and make a high pitched whoo-oo sound

3. birds will open their bills in a gaping fashion

4. they will sway walk with highly exaggeraed rocking back and forth while walking to a diff location

5. then one of them begins forward bobbing, which indicates ownership of that particular location

waved Albatross young

their young will feed on an oily liquid consisting of digested fish and squid

blue-footed booby courtship dance 

points beak, tail feathers, and wings toward the sky to get females attention, then they’ll show off their feet, thenn sky point, then mate 

blue footed booby young

will lay their eggs three to five days apart

the nest is surrounded by a ring of guano, representing the boundary of the nest

they exhibit faculatative siblicide where if there is not enough food, older siblings will kick younger siblings out of the nest to die

predators to young: hawks, owls, frigate birds

great frigatebird

males are known for their bright red gular sacs, which they inflate during the mating season

as females fly overhead, males inflate their gular sacs and shake their wings