One gray tick means your message was sent from your phone to WhatsApp. Two gray ticks mean it was delivered to the recipient's phone, and two blue ticks confirm they read it. If the person uses ...

Spinose ear tick (Otobius megnini): These are the big, gray ticks you find in the ears of cates, dogs, horses and cattle. Fowl tick (Argas persicus): This night-moving parasite affects poultry and ...

When sending a message to someone on WhatsApp, you might notice that once the message is sent, it is quickly followed by one grey tick in the corner (also known as a checkmark). Shortly after the ...