Turtles from turtle eggs spawn in the northwest corners of blocks, sometimes causing them to fall through blocks and suffocate

Steps to reproduce:

1. Import and open the attached world:

1. Place a turtle egg on the sand block

2. Wait for the turtle egg to hatch

Observed result:
The baby turtle spawns in the northwest corner of the sand block, falls through the sand block, starts suffocating and eventually dies.

Expected result:
The baby turtle spawns in the center of the block.