The phrase
"engorged ticks" refers to ticks that have become full of blood after feeding on a host, such as an animal or a person.
Full definition
I put the collar on my dog a week ago and today there are 4 or 5
engorged ticks on his chest and legs
That's right, not only were many (if not basically all) dinosaurs blanketed in feathers like jumbo roosters, but they also probably carried around pendulous clusters
of engorged ticks.
Not all of the placements yielded enough blood -
engorged ticks to perform xenodiagnosis.
Engorged ticks are easier to spot, but some ticks can be as small as a pin head.
If at any point you notice a tick on your dog or see
an engorged tick fall off him, watch the dog's behaviour in the next while.
A few years ago we found
an engorged tick on Sophie.
TickEase tick removal tweezers have a pointy end for removing small, unfed ticks and a slotted end for removing large,
engorged ticks (if you are interested in purchasing TickEase tweezers, there is a link at the end of this section to get them from Amazon).