This bug report is a parity issue with Java.

Summary:

In the bedrock version, you can move the hive and bee nest, but in the Java version you cannot.

"The hive is a block object and cannot be pushed by pistons."

( https://minecraft.gamepedia.com/Java_Edition_1.15 )

Steps to Reproduce:

1. Place the plunger next to the hive or bee nest.
2. Activate the piston.

Observed Results:

The hive or bee nest will be moved by the piston.

Expected Results:

The hive or bee nest must not be moved by the piston.

Videos:

Bedrock:

Bedrock_1.16.mp4

Java:

Java_1.16.mp4

Note:

Works with both sticky and conventional pistons.