Ticks can grow to hold a significant amount of blood, even as much as 200 to 600 times their body weight when they have not fed. One tick may not be that dangerous but where there is one tick there are usually more.
Only if it's a really big mosquito
There is no specific amount of blood taken by a mosquito with each bite. Since the mosquito's saliva contains an anticoagulant, the mosquito can continue drinking until it is full or until disturbed.
Well it depends on their age.
I look how long a mosquito can really suck your blood they can suck your blood for 1 day without stopping (If your don't move in that day). You should stop them just move or flick it away.
A female mosquito can hold around 1-3 milligrams of blood, which is roughly 2-3 times her own body weight. The amount may vary depending on the species of mosquito.
Depending on the size of the mosquito, the average weight is 2.0-2.5 milligrams. Also under water weigh 3.7 milligrams
Apart from spoiling his appetite, not much.
you can get blood clots
It's not really good to, it says on the cans how many you should have
They suck it through their proboscis much like we use a straw.The female mosquito has a sharply pointed proboscis to penetrate animal skin and injects an anticoagulant so that they can drink blood.The male mosquito has a blunter proboscis and only drinks plant juices.
Well... um you just guess! Actually, see if your dog fells drowsy or tired, then, you just bring him to the hospital
your blood pressure rises