![Monarch at Point Peele National Park, Canada - April 30, 2024](https://nmd.nyc3.cdn.digitaloceanspaces.com/mbf/images/mbf/images/transforms/Newsletters-photos/_thumb/BOB-SHPAK-MONARCH-APRIL-30-Point-Pelee-National-Park.-On-April-30th-Bob-Shpak-photographed-this-monarch-in-the-Ojibway-Prairie-Complex-in-Windsor-Ontario.jpg)
La población de monarcas en México disminuye en la temporada de hibernación 2023-24
Edición XXVIII
![Three monarchs on a flower in El Rosario](https://nmd.nyc3.cdn.digitaloceanspaces.com/mbf/images/mbf/images/transforms/Newsletters-photos/_thumb/27962/Monarch-2023-winter-newsletter.jpg)
Lluvias reciben a las monarcas esta temporada de hibernación
Edición XXVII
![Monarchs nectaring in overwintering sites](https://nmd.nyc3.cdn.digitaloceanspaces.com/mbf/images/mbf/images/transforms/Newsletters-photos/_thumb/OW-XXVI-Kenji-Onodera.jpg)
Área ocupada por monarcas disminuye esta temporada
Edición XXVI
![Monarch flying over flower in Mexico in San Miguel Xooltepec in the State of Mexico, close to the MBBR](https://nmd.nyc3.cdn.digitaloceanspaces.com/mbf/images/mbf/images/transforms/Newsletters-photos/_thumb/Monarch-Issue-XXVI-Juan-Pablo-Ortiz-Tallavás.jpg)
Reforestación verano 2022: ¡22.200 árboles plantados!
Edición XXV
![Weather station sign](https://nmd.nyc3.cdn.digitaloceanspaces.com/mbf/images/mbf/images/transforms/projects/_thumb/weather-station.jpg)
Temporada de hibernación 2021-2022: últimas investigaciones
Edición XIV
![Kids in their school nursery preparing for the 2021 reforestation](https://nmd.nyc3.cdn.digitaloceanspaces.com/mbf/images/mbf/images/transforms/Newsletters-photos/_thumb/Reforestation-2021-Issue-XXIII-Kids-Alternare.jpg)
Un año exitoso para Alternare: ¡22,515 árboles plantados y más!
Edición XXIII
![Monarchs flying about in the sky](https://nmd.nyc3.cdn.digitaloceanspaces.com/mbf/images/mbf/images/transforms/Newsletters-photos/_thumb/Overwintering-2020-21-Issue-XXII-Pelon-Isabel.jpg)
Año seco en la temporada de hibernación 2020-2021
Edición XXII
![Two branches with overwintering monarch clusters](https://nmd.nyc3.cdn.digitaloceanspaces.com/mbf/images/mbf/images/transforms/Newsletters-photos/_thumb/Monarchs-2020-Issue-XXI-Isabel-Ramirez.jpg)
Una temporada turística diferente en la Reserva Monarca
Edición XXI
![Two monarchs on white flowers](https://nmd.nyc3.cdn.digitaloceanspaces.com/mbf/images/mbf/images/transforms/Newsletters-photos/_thumb/Monarchs-2020-Issue-XX-Daniela-Sanchez.jpg)
Reflexiones de primavera - mensaje de MBF
Edición XX
![Isabel Ramírez with microphone speaking at Lincoln Brower memorial](https://nmd.nyc3.cdn.digitaloceanspaces.com/mbf/images/mbf/images/transforms/SI-Outreach-Education/_thumb/LPB-Plaque-Issue-XIX-Edgar-Cardenas.jpg)
Edición especial: celebrando 10 años de conservación de las monarcas en México - homenaje a Lincoln Brower
Edición XIX
![Cluster of overwintering monarchs on a tree branch](https://nmd.nyc3.cdn.digitaloceanspaces.com/mbf/images/mbf/images/transforms/Newsletters-photos/_thumb/OW-Monarchs-Pelon-XVIII-Isabel-Ramirez.jpg)
La población de monarcas aumenta en un 144% en 2018-2019
Edición XVIII
![Man watering seedlings at nursery](https://nmd.nyc3.cdn.digitaloceanspaces.com/mbf/images/mbf/images/transforms/Newsletters-photos/_thumb/Watering-Seedlings-XVII-Alternare.jpg)
¡30.000 árboles plantados este verano!
Edición XXVII
![Two monarchs in the forest](https://nmd.nyc3.cdn.digitaloceanspaces.com/mbf/images/mbf/images/transforms/Newsletters-photos/_thumb/Monarchs-2017-18-Issue-XVI-Isabel-Ramirez.jpg)
Datos sobre la población de hibernación 2017-18
Edición XVI
![Little boy with shovel digging during 2017 reforestation](https://nmd.nyc3.cdn.digitaloceanspaces.com/mbf/images/mbf/images/transforms/Newsletters-photos/_thumb/Reforestation-2017-Issue-XV-Boy-Planting-Alternare.jpg)
¡Más de 23,400 árboles plantados!
Edición XV
![Cleared forest with accumulated remains of fallen trees and trawl marks from the extraction](https://nmd.nyc3.cdn.digitaloceanspaces.com/mbf/images/mbf/images/transforms/Newsletters-photos/_thumb/Cleared-forest-with-accumulated-remains-of-fallen-trees-and-trawl-marks-from-the-extraction-Issue-XIV-Isabel-Ramirez.jpg)
Población de hibernación 2016-17 en Sierra Chincua
Edición XIV
![Boys planting trees](https://nmd.nyc3.cdn.digitaloceanspaces.com/mbf/images/mbf/images/transforms/Newsletters-photos/_thumb/Boys-planting-Issue-XIII-Alternare.jpg)
Después de la tormenta... ¡viene la restauración!
Edición XXIII
![Frozen monarchs on snow after March 2016 storm](https://nmd.nyc3.cdn.digitaloceanspaces.com/mbf/images/mbf/images/transforms/Newsletters-photos/_thumb/Frozen-monarchs-after-Mar-2016-Issue-XXII-Storm-Isabel-Ramirez.jpg)
Supervivencia de la reforestación y efectos de la tormenta de marzo
Edición XII
![Little boy carrying a tree and walking towards the forest during 2015 reforestation](https://nmd.nyc3.cdn.digitaloceanspaces.com/mbf/images/mbf/images/transforms/Newsletters-photos/_thumb/Reforestation-2015-Issue-XI-Alternare.jpg)
Reforestación de verano 2015: ¡27,875 árboles plantados!
Edición XI
![Boy tending the nursery](https://nmd.nyc3.cdn.digitaloceanspaces.com/mbf/images/mbf/images/transforms/Newsletters-photos/_thumb/Nursery-maintenance-2015-Issue-X-Alternare.jpg)
¡La primavera da la bienvenida a las monarcas!
Edición X
![Monarch clusters in Spring 2014](https://nmd.nyc3.cdn.digitaloceanspaces.com/mbf/images/mbf/images/transforms/Newsletters-photos/_thumb/Spring-clusters-2014-Issue-IX-Felipe-Martinez-Mesa.jpg)
Monarcas en recuperación
Edición IX
![Group of monarchs on a branch in El Rosario](https://nmd.nyc3.cdn.digitaloceanspaces.com/mbf/images/mbf/images/transforms/Newsletters-photos/_thumb/Monarchs-clustering-in-El-Rosario-Issue-VIII-Gail-Morris.jpg)
Miembros del Consejo visitan México
Edición VIII
![Nursery full of seedlings](https://nmd.nyc3.cdn.digitaloceanspaces.com/mbf/images/mbf/images/transforms/Newsletters-photos/_thumb/Nursery-Issue-VII-Alternare.jpg)
Reforestación de verano 2012: 17,657 árboles plantados
Edición VII
![Kids taking care of the seedlings in their school nursery](https://nmd.nyc3.cdn.digitaloceanspaces.com/mbf/images/mbf/images/transforms/Newsletters-photos/_thumb/Nursery-Issue-VI-Alternare.jpg)
Reforestación verano 2013: 34,000+ árboles plantados!
Edición VI
![Reforestation planning workshop at Alternare, men sitting down in tables](https://nmd.nyc3.cdn.digitaloceanspaces.com/mbf/images/mbf/images/transforms/Newsletters-photos/_thumb/Workshop-Issue-V-Alternare.jpg)
Preparandos para el verano: MBF apoya el taller de creación de capacidad de reforestación
Edición V
![People in the forest with wheelbarrow full of seedlings](https://nmd.nyc3.cdn.digitaloceanspaces.com/mbf/images/mbf/images/transforms/Newsletters-photos/_thumb/Reforestation-2-Issue-IV-Alternare.jpg)
Más de 34.000 árboles plantados durante la reforestación de verano de 2011
Edición IV
![Reforestation plots](https://nmd.nyc3.cdn.digitaloceanspaces.com/mbf/images/mbf/images/transforms/Newsletters-photos/_thumb/Reforestation-plots-Issue-III-Alternare.jpg)
Reforestación de verano 2011 de MBF
Edición III
![Pine seedling in the soil](https://nmd.nyc3.cdn.digitaloceanspaces.com/mbf/images/mbf/images/transforms/Newsletters-photos/_thumb/Pine-Seedling-Issue-II-Alternare.jpg)
Reforestación de verano 2010 de MBF
Edición II
![Monarchs flying about in the sky surrounded by trees](https://nmd.nyc3.cdn.digitaloceanspaces.com/mbf/images/mbf/images/transforms/Newsletters-photos/_thumb/OW-Monarchs-Issue-I-Alternare.jpg)
Introducción al Monarch Butterfly Fund - Fondo Mariposa Monarca
Edición I