Contradiction with Luke 17:37
It contains a similar saying but the context differs, potentially leading to different interpretations.
Luke 17:37: And they answered and said unto him, Where, Lord? And he said unto them, Wheresoever the body [is], thither will the eagles be gathered together.
Contradiction with Job 39:30
References eagles gathering to feed, but in a more positive, life-giving context, contrasting the ominous tone of Matthew 24:28.
Job 39:30: Her young ones also suck up blood: and where the slain [are], there [is] she.
Contradiction with Revelation 19:17-18
Describes birds gathering to eat the flesh of the mighty, in a context of divine judgment rather than a general sign of gathering.
Revelation 19:17-18: And I saw an angel standing in the sun; and he cried with a loud voice, saying to all the fowls that fly in the midst of heaven, Come and gather yourselves together unto the supper of the great God;