| 1 | Thrush and wren this message bring. | |
| 2 | Other songbirds, such as wrens, have hundreds of songs. | |
| 3 | That' s the sound of butcherbirds, which prey on splendid wrens. | |
| 4 | It says here that male blue fairy wrens have testicles that can weigh up to 25% of their body mass. | |
| 5 | Up close, she can see nodes that distinguish, say, a wren from a Muscovy duck. |