Well lets see here, here are some things I've seen. Because I didn't rush right in to kill these coyotes.
Hope I don't forget something.
Watched them mate
Watched them pre-mate
Watched them protect their territory from tresspassers
Watched them hunt
Watched them play
Watched them react to man made noises
Watched them dig den holes
Watched them interact with their off-spring
watched them fight hounds [voracity & quickness]
Watched them elude hounds
Watched them run [top speed]
Watched them jump
Seen their endurance
Watched them in a natural setting
Watched them sleep[also seen them react to noises while they slept]
Watched them travel their routes
Watched them run/walk back to their core area's time after time
Watched them choose a spot to bed
Watched them get up from being bedded to start hunting
Watched them tresspass & their body langauge to tresspassing
Watched nomads & tresspassers react to the locals
Watched tresspasser's react to the local pr's
Watched them react to other hunters
Watched them react to other vehicles[coyotes didn't know I was watching them]
Yeah calling...
Watched them come
Watched them go
Watched them howl
Heard them howl
Watched their indifference
I'll add more when/if I recall 
