Final answer:
In 'Animal Farm' by George Orwell, besides the pigs, Muriel the Goat and Benjamin the Donkey are known to have the ability to read, with Benjamin being capable of reading as well as any pig.
Step-by-step explanation:
The question seems to refer to George Orwell's 'Animal Farm', where various animals on a farm are endowed with the ability to read to different extents. In 'Animal Farm', the pigs are known as the best readers and the most intellectually inclined animals on the farm. Looking at the options presented and considering the characters from Orwell's allegorical novella, Muriel the Goat and Benjamin the Donkey are portrayed as being literate, with Muriel being able to read somewhat and Benjamin being able to read as well as any pig but being uninterested in exercising this ability. Therefore, the correct choice for animals that are the best readers beside the pigs would be Muriel the Goat and Benjamin the Donkey.