Look closely and you'll see two Oxpeckers (Red-billed oxpecker (Buphagus erythrorhynchus)). One hitching a ride up top, another doing some grooming lower on the neck.
Typical Giraffe - they're always tough to spot as they tend to hide behind the trees.
That's a yawn if I've ever seen one! I'm sure it's capable of eating a full grown person in one bite
