Bonobo

• January: 0

  J

• February: 1

  F

• March: 1

  M

• April: 0

  A

• May: 0

  M

• June: 1

  J

• July: 2

  J

• August: 1

  A

• September: 1

  S

• October: 5

  O

• November: 1

  N

• December: 3

  D

Peak October, from 16 research-grade observations worldwide.